If I have a thousand ideas and only one turns out to be good, I am satisfied.  - Alfred Nobel
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Complete List of Publications

98. Photoisomerization-driven Temporal Control in 1,6-Conjugate Addition via Cation-π-based Carbonyl Activation
Ashish, P. Kumar, A. Kumar, T. Kaur, A. K. Gaur, M. Goyal, S. Singh,* R. V. Anand,* S. Venkataramani*
Org. Chem. Front., 2026, Accepted Article Published Online.

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97. Turning on Imine Photoreactivity: Ambiphilic BICAAC-Directed C─N Bond Formation
A. Biswas, S. Bansal, A. Kundu, A. Sharma, S. Dey, S. K. Jakhar, D. Adhikari,* S. Singh*
ChemCatChem, 2026, 18, e70970.

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96. Harnessing Solar Energy, Extending Storage, and Accelerated Release in “Twisted” Negative Photochromic Azo Compounds
S. Singh, A. Velloth, M. Goyal, S. Singh,* S. Venkataramani*
Angew. Chem. Int. Ed. 2026, 65, e18454. 

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95. Phosphazane Containing Bicyclic Macrocycles: Cryptand-Inspired Architectures with Tunable Properties
Manu Goyal, Chandrakala Negi, Sanjay Singh*
ChemRxiv, 2026; https://doi.org/10.26434/chemrxiv.15001435/

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94. Magnesium-bridged [3.3](2,6)Pyridinophanes: Synthesis, Structure, and Luminescent Properties
Manu Goyal, C. P. Priyakumari,* S. Singh*
Inorg. Chimica Acta, 2026, 597, 123151.

Invited article for a special issue to honor late Prof. Herbert W. Roesky, a Protagonist in Chemistry.
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93. Sustainable Catalysis with Zinc Complexes: Mechanistic Perspectives and Emerging Strategies
M. Kaur,* M. Bhandari,  S. Kaur, S. Rawat, S. Singh*
ChemCatChem, 2025, 17, e00863.

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92. 8-Hydroxy Quinoline Catalysed Regioselective Synthesis of 1,4-Disubstituted-1,2,3-Triazoles: Realizing Cu-free Click Chemistry
S. Bansal, Gopika R. S., A. Biswas, A. Sharma, Devika G., D. Adhikari,* S. Singh*
Catal. Sci. Technol., 2025, 15, 5850-5856.

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91. Expanding the Scope of BICAAC Organocatalyst: Hydroboration of Carbonyl and Alkyne Substrates
A. Sharma, S. Bansal, A. Velloth, S. Venkataramani,* S. Singh*
Chem. Eur. J. 2025, 31, e202501880.

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90. Low-Valent Group 14 Species Supported by BICAAC: Isolation of a Germylone and a Digermanium Compound
M. Adhikari, S. K. Thakur, A. Tamuli, M. Kumari, A. K. Phukan,* S. Singh*
Chem. Eur. J. 2025, 31, e202501066.

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89. Borenium Ion Equivalents Stabilized by BICAAC and Their Implementation as Catalysts in Hydrosilylation of Carbonyls
M. Adhikari, S. K. Thakur, S. Singh*
Chem. Eur. J. 2025, 31, e202403322. (Hot Paper)

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Front Cover Page of the issue of Chemistry A European Journal in which our Article as a Hot Paper is published.

88. Reactions of Chalcogens and Borane With Phosphazane Macrocycles Assembled From Diethanolamine and P2N2 Building Blocks
M. Goyal, C. Negi, N. K. Garg, S. Jain, S. Singh*

Dalton Trans. 2025, 
54, 4089-4095.

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87. Zinc-Contaning Pyridinophanes and Molecular Bowl Assembled Using Zinc and 2,6-Diamidopyridine Modules
C. Negi, M. Goyal, S. Singh*
ChemistrySelect, 2025, 10, e01692.

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86. Photoswitching Characteristics, Photochromism and Mechanochromism of Extended π-Conjugated Azopyrazole and Azoisoxazole Derivatives
H. Kumar,  R. Nasare, G. Parthiban, P. Kumar, A. K. Gaur,  S.  K. Thakur,  S. Singh,* S. Venkataramani*
ChemPhotoChem, 2025, 9, e202400268.

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85. Synthesis of MeBICAAC Supported Si(III) Radicals and a Silylone via Reduction Route From MeBICAAC-Si(IV) Precursors
S. K. Thakur, S. De, M. Adhikari, K. K. Manar, D. Koley,* S. Singh*
Chem. Asian J. 2024, e202400730.

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84. Ambiphilic Alcohol Dehydrogenation by BICAAC Mimicking Metal−Ligand Cooperativity
S. Bansal, A. Biswas, A. Kundu, M. Adhikari, S. Singh,* D. Adhikari*
ACS Catal. 2024, 14, 8087−8095.

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83. BICAAC-Derived Covalent and Cationic Ir(I) Complexes: Application of Ir(BICAAC)Cl(COD) Complexes as Catalysts for Transfer Hydrogenation and Hydrosilylation Reactions
M. Kaur, M. Adhikari, K. K. Manar, Y. Yogesh, D. Prakash, S. Singh*
Inorg. Chem. 2024, 63, 1513–1523.

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82. Diborane, Diborene and M(I)-η2-Diborene Complexes Stabilized by Bicyclic (Alkyl)(Amino)Carbene (M = Cu and Ag)
M. Adhikari, S. De, K. K. Manar, S. K. Thakur, R. S. Kamte, D. Koley,* S. Singh*
Eur. J. Inorg. Chem. 2024, e202400129.

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81. Neutral and Ionic N-Methyl phenylazo-3,5-(di-2-pyridyl)pyrazole Photoswitches: Probes for Reversible pH Modulation by Light"
S. Singh, A. Velloth, Rajani NA, M. Goyal, N. Kaur, S. Singh* S. Venkataramani*
Chem. Commun., 2024, 60, 10776-10779.

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80. Photocontrol of catalysis in CuAAC reactions by air stable Cu(I) complexes of phenylazopyrazole-incorporated ligands
D. Gupta, A. K. Gaur, D. Chauhan, S. K. Thakur, A. Ashish, S. Singh,* G. Rajaraman,* S. Venkataramani*
Inorg. Chem. Front., 2024, 11, 3555-3565.

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79. Design, Synthesis, and Structural Evaluation of Metal Complexes of Azepane-1-carbodithioate for Targeting Human Breast Cancer: Investigating Cytotoxic Activity against MDA-MB-231 Cell Line
S. Jaiswal, N. Rai, S. Chandra, A. Verma, V. Gautam, M. Adhikari, S. Singh, M. K. Bharty*
New J. Chem. 2024, 48, 13589-13601.

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78. Highly Electrophilic Mononuclear Cationic Aluminum Alkoxide Complexes: Syntheses, Reactivity and Catalytic Applications
M. Bhandari, M. Kaur, S. Rawat, S. Singh*
Chem. Eur. J. 2023, 29, e202301229.

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Cover page for the issue of Chemistry A European Journal in which our Article is published.

77. Adducts of Bicyclic (Alkyl)(Amino)Carbene with ECl3 and Three Electron Reduction Thereof: Syntheses of BICAAC Stabilized E-E Bonded Compounds (E = P, Sb)
M. Adhikari, S. K. Thakur, S. Singh*
Eur. J. Inorg. Chem. 2023, 26, e202300379.

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76. Catalytic Hydrosilylation of Imines by Aluminum Hydride Cations
M. Bhandari, S. Rawat, M. Kaur, S. Singh*
Eur. J. Org. Chem. 2023, 26, e202300674.

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75. Hydroboration of Imines and Alkynes Catalyzed by Electronically Unsaturated Aluminum Hydride and Methyl Aluminum Cations
M. Bhandari, M. Kaur, S. Rawat, S. Singh*
Inorg. Chem., 2023, 62, 6598-6607.

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74. Bistable Aryl Azopyrazolium Ionic Photoswitches in Water
A. K. Gaur, D. Gupta, A. Mahadevan, P. Kumar, H. Kumar, D. N. Nampoothiry, N. Kaur, S. K. Thakur, S. Singh,* T. Slanina,* S. Venkataramani*
J. Am. Chem. Soc., 2023, 145, 10584-10594.

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73. Photoswitchable Copper(II) and Copper(I) Complexes of Phenylazo-3,5-dimethylpyrazole Incorporated Ligands
D. Gupta, A. K. Gaur, S. K. Thakur, S. Singh,* S. Venkataraman* 
ChemPhotoChem, 2023, 7, e202200338.

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72. Well-Defined Ni(0) and Ni(II) Complexes of Bicyclic (Alkyl)(Amino)Carbene (MeBICAAC): Catalytic Activity and Mechanistic Insights in Negishi Cross-Coupling Reaction
S. K. Thakur, M. Kaur, K. K. Manar, M. Adhikari, A. R. Choudhury, S. Singh
Chem.-Eur. J. 2022, 28, e202202237.

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71. Synthesis, Crystal Structures and Electrocatalytic Water Oxidation by Mn(II), Co(II) and Ni(II) Complexes of Thiophene-2-Carbohydrazide
M. K. Gond, S. K. Pandey, U. K. Chaudhari, P. K. Sonker, M. K. Bharty, V. Ganesan, B. Prashanth, S. Singh
J. Mol. Str. 2022, DOI: https://doi.org/10.1016/j.molstruc.2022.133886.

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70. Structure-Property Relationship for Visible Light Bidirectional Photoswitchable Azoheteroarenes and Thermal Stability of Z-isomers
A. Gaur, H. Kumar, D. Gupta, I. Tom, D. Nampoothiry, S. K. Thakur, A. Mahadevan, S. Singh, S. Venkataramani
J. Org. Chem. 2022, 87, 6541–6551.

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69. Solid-state Photochromic Arylazopyrazole-based Transition Metal Complexes
 D. Gupta, A. K. Gaur, D. Chauhan, S. K. Thakur, V. Jeyapalan, S. Singh, G. Rajaraman, and  S. Venkataramani
Inorg. Chem. Front. 2022, 9, 2315-2327.

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68. Book Chapter titled: Cationic Compounds of Group 13 Elements: Entry Point to p-block for Modern Lewis Acid Reagents
S. Singh, M. Bhandari, S. Rawat, and S. Nembenna
Book Title: Polar Organometallic Reagents: Synthesis, Structure, Properties and Applications
Editors: Andrew E. H. Wheatley, Masanobu Uchiyama, Published March 2022

ISBN: 978-1-119-44882-2

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67. A Bis (BICAAC) Palladium(II) Complex: Synthesis and Implementation as Catalyst in Heck-Mizoroki and Suzuki-Miyaura Cross Coupling Reactions
S. Chakrabortty, M. Kaur, M. Adhikari, K. K. Manar, and S. Singh
Inorg. Chem. 2021, 60, 6209–6217.

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66. Hydrosilylation of Carbonyls Catalyzed by Hydridoborenium-Borate Salts: Lewis Acid Activation and Anion Mediated Pathways
S. Rawat, M. Bhandari, V. K. Porwal and S. Singh
Inorg. Chem. 2020,
59, 7195−7203.

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65. Three Coordinated Organoaluminum Cation for Rapid and Selective Cyanosilylation of Carbonyls under Solvent-Free Conditions
S. Rawat, M. Bhandari, B. Prashant and S. Singh
ChemCatChem 2020, 12, 2407–2411.

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Cover Feature for the issue of ChemCatChem in which our Communication was published.

64. Two‐Coordinate Cu(I) and Au(I) Complexes Supported by BICAAC and CAAC Ligands
K. K. Manar S. Chakrabortty, V. K. Porwal, D. Prakash, S. K. Thakur, A. R. Choudhury, and S. Singh
ChemistrySelect 2020, 5, 9900-9907.

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63. Reactions of BICAAC with Hydroboranes: Propensity for Lewis Adduct Formation and Carbene Insertion into B-H Bond
K. K. Manar, V. K. Porwal, R. S. Kamte, M. Adhikari, S. K. Thakur, D. Bawari, A. R. Choudhury and S. Singh 
Dalton Trans. 2019, 48, 17472-17478.

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Inside Front Cover for the issue of Dalton Transactions in which our Paper was published.

62. Concise Access to Aluminum Containing [3.3](2,6)Pyridinophane and Molecular Bowl Using 2,6-Diamidopyridine Modules
C.  Negi, D.  Bawari, S. K. Thakur, A. R. Choudhury and S. Singh
J. Organomet. Chem. 2019, 901, 120943.

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61. Aluminum Containing Molecular Bowls and Pyridinophanes: Use of Pyridine Modules to Access Different Molecular Topologies.
D. Bawari,  C. Negi,  V. K. Porwal,  S. Ravi,  K. R. Shamasundar and S. Singh
Dalton. Trans. 2019, 48, 7442-7450. Invited article for the themed issue of Dalton Transactions on New Talent Asia-Pacific 2019.

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60. Syntheses and Characterization of Neutral and Cationic Cyclic(alkyl)(amino)carbene Mercury [cAAC-Hg(II)] Complexes.
D. Bawari, S. K. Thakur, K. K. Manar, B. Goswami, Sabari V. R., A. R. Choudhury and S. Singh
J. Organomet. Chem. 2019, 880, 108-115.

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59. Group 13 Element Containing Conformationally Rigid “N-E-N” Heteroatomic Bridged
[3.3](2,6)Pyridinophanes (E = B, Al)

D. Bawari, C. Negi, K. Jaiswal, B. Prashanth, A. R. Choudhury and S. Singh
Chem. Commun. 2018, 54, 8857-8860. 

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58.  Neutral and Cationic Cyclic (Alkyl)(Amino)Carbene Mercury [cAAC-Hg(II)] Complexes: Scope of Hydroamination of Alkynes with Organomercury Compounds
D. Bawari, B. Goswami, Sabari V. R., S. K. Thakur, Varun Tej R V, A. R. Choudhury and S. Singh
Dalton Trans. 2018, 47, 6274-6278.
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Front Cover page for the issue of Dalton Transactions in which our Paper was published.
57. Electronically Unsaturated Three Coordinated Aluminum Hydride and Organoaluminum Cations
B. Prashanth, M. Bhandari, S. Ravi, K. R. Shamasundar, S. Singh
Chem. Eur. J. 2018, 24, 4794-4799.​
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56. Designing the Macrocyclic Dimension in Main Group Chemistry
H.-C. Niu, A. J. Plajer, R. Garcia-Rodriguez, S. Singh, D. S. Wright
Chem. Eur. J. 2018, 24, 3073-3082.
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Frontispeiece for the issue of Chemistry A European Journal in which this Concept was published.

55. Product Isomer Distribution in the Sequential Functionalization of Cyclic-(PIII)2N2 Framework
D. Bawari, B. Prashanth, K. Jaiswal, A. R. Choudhury, S.Singh
Eur. J. Inorg. Chem. 2017, 4123-4130.

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54. A Modular Approach to Inorganic Phosphazane Macrocycles
A. J. Plajer, R. Garca-Rodrguez, C. G. M. Benson, P. D. Matthews, A. D. Bond, S. Singh, L. H. Gade, D. S. Wright
Angew. Chem. Int. Ed. 2017, 56, 9087-9090.

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Back Cover for the issue of Angewandte Chemie International Edition in which our Paper was published.

53. Hg(II) and Pd(II) Complexes with a New Selenoether Bridged Biscarbene Ligand: Efficient Mono- and Bis-arylation of Methyl Acrylate with a Pincer Biscarbene Pd(II) Precatalyst
Rishu, B. Prashanth, D. Bawari, U. Mandal, A. Verma, A. R. Choudhury, S. Singh
Dalton Trans. 2017, 46, 6291-6302.

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52. Heteroleptic Iminophosphonamide In(III) Complexes: Source of Mild Lewis Acid Indium Centers
B. Prashanth, D. Bawari, S. Singh
ChemistrySelect, 2017, 2, 2039-2043.

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51. Mononuclear Neutral Boron Hydrides Affordable as [N,N’] Chelates of Iminophosphonamides.
B. Prashanth, N. K. Srungavruksham, S. Singh
ChemistrySelect, 2016, 1, 3601-3606.

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50. A Versatile Hard-soft N/S-ligand for Metal Coordination and Cluster Formation.
C. G. M. Benson, A. J. Plajer, R. Garcia-Rodriguez, A. D. Bond, S. Singh, L. H. Gade, D. S. Wright
Chem. Commun. 2016, 52, 9683-9686.

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49. Two Different Pathways in the Reduction of [(S=)PCl(μ-NtBu)]2 with Na.
D. Bawari, B. Prashanth, S. Ravi, K. R. Shamasundar, S. Singh, D. S. Wright
Chem.-Eur. J. 2016, 22, 12027-12033. Hot Paper. Featured on the cover page of the issue. 

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Front Cover and Cover Profile for the issue of Chemistry A European Journal in which our Paper was published.

48. Fine Tuning of Lewis Acidity: The Case of Borenium Hydride Complexes Derived from Bis(phosphinimino)amide Boron Precursors.
K. Jaiswal, B. Prashanth, S. Singh
Chem.-Eur. J. 2016, 22, 11035-11041.

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47. Concise Access to Iminophosphonamide Stabilized Heteroleptic Germylenes: Chemical Reactivity and Structural Investigation.
B. Prashanth, S. Singh
Dalton Trans. 2016, 45, 6079-6087. Invited article for the themed issue of Dalton Transactions on Main Group Transformations
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46. Reactivity of a dihydroboron species: Synthesis of a hydroborenium complex and an expedient entry to stable thioxo- and selenoxo-boranes .
K. Jaiswal, B. Prashanth, S. Ravi, K. R. Samasundar, S. Singh
Dalton. Trans. 2015, 44, 15779-15785.
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45. Co(II), Ni(II) and Cu(II) Complexes of Sterically Encumbered N-arylimidoylamidine Based [N,N’] Chelating Ligands
B. Prashanth, S. Singh, A. Verma
Polyhedron 2015, 99, 17-25.
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44. Bis(phosphinimino)amide Supported Borondihydride Compound and Heteroleptic dihalo Compounds of Group 13
K. Jaiswal, B. Prashanth, D. Bawari, S. Singh
Eur. J. Inorg. Chem. 2015, 2565-2673.
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43. Bulky Iminophosphonamines for N-P-N Coordination: Synthesis and Structural Characterization of Lithium Iminophosphonamides and Homoleptic bis-chelates of Co(II), Ni(II) and Cu(II)
B. Prashanth, S. Singh
J. Chem. Sci. 2015, 127, 315-325.
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42. Ni(II) and Co(III) Complexes of 5-Methyl-1,3,4-thiadiazole-2-thiol: Syntheses, Spectral, Structural, Thermal Analysis, and DFT Calculation.
R. K. Dani, M. K. Bharty, OM Prakash, R. K. Singh, B. Prashanth, S. Singh, N. K. Singh

J. Coord. Chem. 2015, 68, 2666-2681.

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41. Synthesis, Spectral, Thermal and Structural Characterization of a Hexanuclear Copper(I) Cluster and a Cobalt(III) Complex of 1-Ethyl-3-phenyl-thiourea
A. Singh, M. K. Bharty, P. Bharati, A. Bharti, S. Singh, N. K. Singh
Polyhedron 2015, 85, 918–925.
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40. A New Bulky Iminophosphonamide as an N,N’-chelating Ligand: Synthesis and Structural Characterization of Heteroleptic Group 13 Elements Complexes
B. Prashanth, S. Singh
Dalton Trans. 2014, 43, 16880-16888.
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39. Mononuclear Ni(II) and Dinuclear Cd(II) Complexes of 4-phenyl-2H-1,2,4-triazole-3-thione and Mn(II) Catalyzed Disulphide Bond Formation in 3,3′-dithiobis (4-phenyl-1,2,4-triazole): Syntheses, Structural Characterization, Thermal Analysis and DFT Calculation
R. K. Dani, M. K. Bharty, S. Paswan, S. Singh, N. K. Singh
Inorg. Chim. Acta, 2014, 421, 519–530.
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38.Manganese(II) and Zinc(II) Complexes of 4-phenyl(2-methoxybenzoyl)-3-thiosemicarbazide: Synthesis, Spectral, Structural Characterization, Thermal Behavior and DFT Study
A. Singh, M. K. Bharty, R. K. Dani, S. Singh, S. K. Kushawaha, N. K. Singh
Polyhedron, 2014, 73, 98–109.
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37. Syntheses, Spectral and Structural Characterization of Ni(II) Complexes of 4-amino-5-phenyl/3-pyridyl/thiophen-2H-1,2,4-triazole-3-thione
M. K. Bharty, P. Bharati, A. Bharti, A. Singh, S. Singh, N. K. Singh
J. Mol. Str., 2014, 156-157, 326-332.
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36.Mononuclear Ag(I), Dinuclear and Polymeric Hg(II) Complexes of 3-mercapto-4-methyl-4H-1,2,4-triazole: Syntheses, Spectral, X-ray, Photoluminescence and Thermal Analysis
A. Bharti, P. Bharati, M. K. Bharty, R. K. Dani, S. Singh, N. K. Singh
Polyhedron, 2013, 54, 131-139.
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35. Synthesis, Spectroscopic and Structural Characterization of Co(II), Ni(II) and Cu(II) Complexes of Substituted 2-Pyridyl Amine Based [N,N] Chelating ligand
B Prashanth, M. Karanam, A. R. Choudhury, S. Singh
Polyhedron, 2012, 47, 112-117.
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34.Polymeric Hg(II) and Dimeric Oxo-bridged Manganese(II) Complexes Derived from N’-(2-Methyl-benzoyl)-hydrazinecarbodithioic acid methyl ester: Synthesis, Spectral and Structural Characterization
R. Dulare, M. K. Bharty, S. K. Kushawaha, S. Singh, N. K. Singh
Polyhedron, 2011, 30, 1960–1967.
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33. Ni(II) and Mn(II) Complexes of NNS Tridentate Ligand N'-[(2-methoxyphenyl) carbonothioyl]pyridine-2-carbohydrazide (H2mcph): Synthesis, Spectral and Structural Characterization
N. K. Singh, P. Tripathi, M. K. Bharty, A. K. Srivastava, S. Singh, R. J. Butcher
Polyhedron, 2010, 29, 1939–1945.
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                                            MSc, PhD and Post-doctoral Publications

32. β-Diketiminate Stabilized Magnesium Hydroxide, Heterobimetallic, and Halide Complexes: Synthesis and X-ray Structural Studies
S. Nembenna, S. Singh, S. S. Sen, H. W. Roesky, H. Ott, D. Stalke
Zeitschrift für Anorg. Allgemeine Chemie, 2011, 637, 201–205.
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31. Preparation and Structural Characterization of Molecular Al−O−Sn(II) and Al−O−Sn(IV) Compounds
S. Nembenna, S. Singh, A. Jana, H. W. Roesky, Y. Yang, H. Ye, H. Ott, D. Stalke
Inorg. Chem. 2009, 48, 2273–2276.
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30. Joining the Crown Family; the Tetrameric, O-bridged Macrocycle [{P(µ-NtBu)}2(µ-O)]4
S. González Calera, D. J. Eisler, J. M. Goodman, M. McPartlin, S. Singh, D. S. Wright
Dalton Trans. 2009, 1293–1296.
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29. Synthesis of the Selenium-Based Hexameric Macrocycle [(Se=)P(μ-NtBu)2P(μ-Se)]6 via a ‘Masked’ Coupling Reaction
S. González-Calera, D. J. Eisler, J. V. Morey, M. McPartlin, S. Singh, D. S. Wright
Angew. Chem. Int. Ed. 2008, 47, 1111-1114.
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28. Antimony Oxide-amide and Antimony Oxide-chloride Wrapped in Organoaluminum Frame-work
S. Singh, S. Nembenna, V. Jancik, H. W. Roesky
Eur. J. Inorg. Chem. 2008, 1042-1044.
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27. Synthesis and Structure of the Li13 Cage [{[O…P(μ-NtBu)]2Li2}3(LiCl)6Li(Cl/OnBu)0.5(THF)7] Containing a [O…P(μ-NtBu)]2– Dianion
W. T. K. Chan, F. Garcia, S. González-Calera, M. McPartlin, J. V. Moray, R. E. Mulvey, S. Singh, D. S. Wright
Chem. Commun. 2008, 2251-2253.
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26.Base Free Lithium-organoaluminate and the Gallium Congener: Potential Precursors to Heterometallic Assemblies
S. Singh, J. Chai, A. Pal, V. Jancik, H. W. Roesky, R. Herbst-Irmer
Chem. Commun. 2007, 4934–4936.
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25.Trapping of Oligomeric Cyclopentadienyl-lithium Cation and Anion Fragments by a V≡V Bonded Ligand
C. Fernández-Cortabitarte, F. García, J. V. Morey, M. McPartlin, S. Singh, A. E. H. Wheatley, D. S. Wright
Angew. Chem., Int. Ed. 2007, 46, 5425-5427.
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24. Stepwise Nucleophilic Substitution of Manganocene, Syntheses and Structures of the Dimer [CpMn(hpp)]2 and the Unusual Manganate Cage [LiMn(hpp)3]2 (hppH = 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2,a]pyrimidine
C. Brinkmann, F. Garcia, J. V. Morey, M. McPartlin, S. Singh, A. E. H. Wheatley, D. S. Wright
Dalton Trans. 2007, 1570-1572.
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23.Adducts of Cp3Ln with LGa(Me)OH, Syntheses and X-ray Crystal Structures of LGa(Me)HO→LnCp3; (Ln = Sm, Nd, Yb and L = HC{C(Me)N(2,6-iPr2C6H3)}2)
S. Singh, A. Pal, H. W. Roesky, R. Herbst-Irmer
Eur. J. Inorg. Chem. 2006, 4029-4032.
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22. Synthesis, Characterization and X-ray Crystal Structure of a Gallium Monohydroxide and a Hetero–Bimetallic Gallium Zirconium Oxide
S. Singh, V. Jancik, H. W. Roesky, R. Herbst-Irmer
Inorg. Chem.  2006, 45, 949-951.
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21. Syntheses, Characterization and X-ray Crystal Structures of β-diketiminate Group 13 Hydrides, Chlorides and Fluorides
S. Singh, H.-J. Ahn, A. Stasch, V. Jancik, H. W. Roesky, A. Pal, M. Biadene, R. Herbst-Irmer, M. Noltemeyer, H.-G. Schmidt
Inorg. Chem. 2006, 45, 1853-1860. 
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20. Mononuclear Aluminum Hydroxide for the Design of Well-Defined Homogeneous Catalysts
G. Bai, S. Singh, H. W. Roesky, M. Noltemeyer, H.-G. Schmidt
J. Am. Chem. Soc. 2005, 127, 3449-3455. 
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19. Synthesis of a New Class of Compounds Containing a Ln-O-Al Arrangement and Their   Reactions and Catalytic Properties
J. Chai, V. Jancik, S. Singh, H. Zhu, C. He, H. W. Roesky, H.-G. Schmidt, M. Noltemeyer, N. S. Hosmane
J. Am. Chem. Soc. 2005, 127, 7521-7528.
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18. New Synthetic Approach to Yttriumhydroxoacetates, Structural Characterization, and Use as Precursor for Coated Conductors
P. Lobinger, H. Jarzina, H. W. Roesky, S. Singh, S. S. Kumar, H.-G. Schmidt, M. Noltemeyer, H. C. Freyhardt
Inorg. Chem. 2005, 44, 9192-9196.
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17.  A Facile One-step Synthesis of a Lipophilic Gold(I) Carbene Complex. X-ray Crystal Structures of LAuCl and LAuCºCH (L = 1,3-di-tert-butyl imidazol-2-ylidene)
S. Singh, S. S. Kumar, V. Jancik, H. W. Roesky, H.-G. Schmidt, M. Noltemeyer
Eur. J. Inorg. Chem. 2005, 3057-3062. 
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16. Reaction of LAlH2 with tert-Butyl Hydrogenperoxide Under C-H Bond Activation and  Substitution Leads to the Formation of a Penta-Coordinated tert-Butylperoxo Aluminum Compound
S. Shravan Kumar, S. Singh, H. W. Roesky, J.  Magull
Inorg. Chem. 2005, 44, 1199-1201. 
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15. Synthesis and Chemical Properties of Tetraalkyl Substituted Thiourea Adducts with Chlorine
H. W. Roesky, U. N. Nehete, S. Singh, H.-G. Schmidt, Y. G. Shermolovich
Main Group Chemistry 2005, 4, 11-21.
14. Tetranuclear Homo- and Hetero-alumoxanes Containing Reactive Functional Groups: Syntheses and X-Ray Crystal Structures of [{LAl(Me)}(μ–O)(MH2)]2; [M = Al, Ga; L = HC{(CMe)(2,6-iPr2C6H3N)}2]
S. Singh, S. S. Kumar, V. Chandrasekhar, H.-J. Ahn, M. Biadene, H. W. Roesky, N. S. Hosmane, M. Noltemeyer, H.-G. Schmidt
Angew. Chem. 2004, 116, 5048- 5041; Angew. Chem., Int. Ed.  2004, 43, 4940-4943.
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13. A Planar Dimeric Six-Membered Spirane Aluminum Hydrazide: Synthesis, X-ray Crystal     Structure and Theoretical Studies of  [LAlN(Me)NH]2; [L = HC{(2,6-iPr2C6H3N)(CMe)}2]
S. S. Kumar,  S. Singh,  F. Hongjun,  H. W. Roesky, D. Vidovic,  J. Magull
Organometallics  2004, 23, 6328-6330. 
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12. Synthesis and Reactivity of Carbaalanes (AlH)6(AlNMe3)2(CCH2C5H4FeC5H5)6 and (AlH)6     (AlNMe3)2(CCH2Ph)6: X-ray Crystal Structure of (AlH)6(AlNMe3)2(CCH2C5H4FeC5H5)6
S. S. Kumar, J. Rong, S. Singh, H. W. Roesky, D. Vidovic, J. Magull, D. Neculai, V. Chandrasekhar, M. Baldus
Organometallics  2004, 23, 3496-3500. 
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11. Adducts of Aluminum and Gallium Trichloride with a N-Heterocyclic Carbene and an Adduct of Aluminum Trichloride with a Thione
A. Stasch, S. Singh, H. W. Roesky, M. Noltemeyer, H.-G. Schmidt
Eur. J. Inorg. Chem. 2004, 4052-4055. 
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10. Synthesis and Structural Characterization of Monomeric Manganese(II) N-Heterocyclic Carbene Complexes [MnX2(C{N(iPr)C(Me)}2)2] (X = Cl, I, and MeCOO) 
 J. Chai, H. Zhu, Y. Peng, H. W. Roesky, S. Singh, H.-G. Schmidt, M. Noltemeyer
Eur. J. Inorg. Chem. 2004, 2673-2677.
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9. Metalated Hybrid Polymers as Catalytic Reagents for Phosphate Ester Hydrolysis and Plasmid Modification
V. Chandrasekhar, P. Deria, V. Krishnan, A. Athimoolam, S. Singh, C. Madhavaiah, S. G. Srivatsan, S. Verma
Bioorg. Med. Chem. Lett. 2004, 14, 1559-15562.
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8. Synthesis and X-ray Crystal Structure of the Novel Organotin Dication [nBu2Sn(H2O)4]2+: A Lamellar Layered Structure Assisted by Intermolecular Hydrogen Bonding 
V. Chandrasekhar, R. Bhoomishankar, S. Singh, A. Stiener, S. Zacchini
Organometallics  2002, 21, 4575-4577.
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7. Patent
Oxygen-Bridged Bimetallic Complex, the Production Thereof and its Utilisation for Polymerization Catalyst.
H. W. Roesky, G. Bai, V. Jancik, S. Singh
European Patent, 2005 PCT/EP, 2005/002741, Application WO 2005-EP2741, Int. Pat. Classification. C07F17/00. 

6. Reviews
Robust and Efficient Molecular Catalysts with a M-O-M’ Framework

S. Singh, H. W. Roesky
Dalton Trans. 2007, 3060-3070. 
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5. Fluorine Functionalized Compounds of Group 13 Elements
S. Singh, H. W. Roesky
J. Fluorine Chem. 2007, 128, 369-377. 
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4. Organometallic Hydroxides of Transition Elements
H. W. Roesky, S. Singh, K. K. M. Yusuff, J. A. Maguire, N. S. Hosmane
Chem. Rev. 2006, 106, 3813-3843. 
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3. A Paradigm Change in Assembling OH Functionalities on Metal Centers
H. W. Roesky, S. Singh, V. Jancik, V. Chandrasekhar
Acc. Chem. Res. 2004, 37, 969-981.
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2. Control of Molecular Topology and Metal Nuclearity in Multi-Metallic Assemblies: Designer   Metallasiloxanes Derived from Silanetriols
H. W. Roesky, G. Anantharaman,  V. Chandrasekhar, V. Jancik, S. Singh
Chem. Eur. J. 2004, 10, 4106-4114.
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1. Refereed International Conference Papers
Organoaluminum Hydroxide and Bimetallic Derivatives

S. Singh, H. W. Roesky
Abstract of papers, 229th National Meeting, American Chemical Society, March 13-17, 2005, San Diego, California USA.
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