CSIR-National Chemical Laboratory Faculty


Research Group Publications

Kritika Gour, Debjit Pramanik, Soumya Ranjan Dash, Dipak Dattatray Shinde, Geethu Venugopal, Kumar Vanka, Arup K. Rath* And Sakya S. Sen, Germylene Mediated Reductive C–C and C-N Coupling of an Isocyanide and its Device Application, Angew. Chem. Int. Ed., , (2024), DOI:10.1002/anie.202417052. Gargi Kundu, Debjit Pramanik, Soumya Ranjan Dash, Ravi Kumar, Mayur Sangole, Srinu Tothadi, Aryya Ghosh, Kumar Vanka, * Kirandeep Singh And * Sakya S Sen, Unprecedented C-F bond cleavage from perfluoronaphthalene during cobaltocene reduction, Dalton Trans., , (2024), DOI:DT-COM-10-2024-002791. Kajal Balayan, Himanshu Sharma, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen, Uncovering diverse reactivity of NHCs with diazoalkane: C-H activation, C=C bond formation, and access to N-heterocyclic methylenehydrazine, Chem. Sci., , (2024), DOI:10.1039/D4SC05740F. V. S. Ajithkumar, Pratiksha B. Ghanwat, Sougata Saha, Swapan K. Pati And Sakya S. Sen, Stereodivergent sila-germylenation vs sila-stannylenation of an internal alkyne, Chem. Commun., 60, 9837 - 9840 (2024). V. S. Ajithkumar, Nripen Khilari, Pratiksha B. Ghanwat, Geethu venugopal, Debasis Koley And Sakya S. Sen, Activation of carbon disulfide by a hypersilyl germylene, Dalton Trans., 53, 10814 - 10818 (2024). Equal Contribution from first two authors; Selected as Cover Page Gargi Kundu, P R Amrutha, Srinu Tothadi And Sakya S Sen,* Saturated NHC-Stabilized Borenium, Boronium, Hydride-Bridged Boron Cations, and a Bora-Acyl Chloride, Organometallics., 43, 1355 - 1361 (2024). Equal Contribution from first two authors Sanjukta Pahar, Vishal Sharma, K. Vipin Raj, Mayur P. Sangole, Christy P. George, Kirandeep Singh, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen, Tridentate NacNac Tames T-Shaped Nickel(I) Radical, Chem. Eur. J., 30, e202303957 (2024). Gargi Kundu, P. R. Amrutha, Srinu Tothadi And Sakya S. Sen,* Access to NHC-Boryl Mono- and Bis-Selenide and Utility as Mild Selenium Transfer Reagent including to the C-F Bond, Chem. Eur. J., 30, e202302984 (2024). Rohit Kumar, Biplab Mahata, S. Gayathridevi, K. Vipin Raj, Kumar Vanka And Sakya S. Sen,* Lanthanide Mimicking by Magnesium for Oxazolidinone Synthesis, Chem. Eur. J., 30, e202303478 (2024). Gargi Kundu, P. R. Amrutha, K. Vipin Raj, Srinu Tothadi, Kumar Vanka And Sakya S. Sen,* Taming the parent oxoborane, Chem. Sci., 14, 5894 - 5898 (2023). "Chem Sci Pick of the Week", "2023 Chemical Science HOT Article Collection" V. S. Ajithkumar, Pratiksha B. Ghanwat, K. Vipin Raj, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen, Synthesis of Si(IV)- and Ge(II)-Substituted Amines, Hydrazone, and Hydrazine from Hypersilyl Germylene, Organometallics., 42, 2983 - 2990 (2023). Kritika Gour, Debjit Pramanik, Soumya Ranjan Dash, Srinu Tothadi, Kumar Vanka And Sakya S. Sen,* Activation of Olefinic C-H Bond of NHC and NHO by Perimidine Based Silicon and Germanium Compounds, Organometallics., 42, 1909 - 1917 (2023). Sanjukta Pahar, Gargi Kundu, Christy P. George, Rajesh G. Gonnade And Sakya S. Sen,* Substitution at a Coordinatively Saturated Aluminum Center Stabilized by Imidazolidin-2-imine, Organometallics., 42, 276 - 282 (2023). Gargi Kundu, Soumya Ranjan Dash, Ravi Kumar, Kumar Vanka, Aryya Ghosh* And Sakya S. Sen, Enhancing Diradical Character of Chichibabin's Hydrocarbon through Fluoride Substitution, ChemPlusChem., 88, e202300273 (2023). Kajal Balayan, Himanshu Sharma, Kumar Vanka, Sapna Ravindranathan, Rajesh G. Gonnade And Sakya S. Sen,* On the competition between six-membered and five-membered NHC towards alane centered ring expansion, Chem. Commun., 59, 8540 - 8543 (2023). Milan Kumar Bisai, V. S. Ajithkumar, K. Vipin Raj, Kumar Vanka, Rajesh G. Gonnade* And Sakya S. Sen, A zwitterionic disilanylium from an unsymmetric disilene, Chem. Commun., 59, 1669 - 1672 (2023). Equal contribution from the first two authors Rohit Kumar, Vishal Sharma, Subhrashis Banerjee, Kumar Vanka And Sakya S. Sen,* Controlled reduction of isocyanates to formamides using monomeric magnesium, Chem. Commun., 59, 2255 - 2258 (2023). Kritika Gour, Gargi Kundu, Soumya Ranjan Dash, Srinu Tothadi, Kumar Vanka And Sakya S. Sen,* Six-Membered NHC Stabilized Monomeric Zinc Complexes, Eur. J. Inorg. Chem., e202300167 (1-7), (2023). Equal contribution from the first two authors Sakya S. Sen And Herbert W. Roesky, Donor-acceptor stabilization of species with low-coordinate germanium in "Organogermanium Compounds: Theory, Experiment, and Applications, 2 Volumes; Ed. V. Y. Lee, Wiley., ISBN: 978-1-394-17756, 561 - 596 (2023). Sanjukta Pahar, Vishal Sharma, Biplab mahata, Christy P. George, Himanshu Sharma, Kumar Vanka And Sakya S. Sen,* Tridentate NacNac Stabilized Tin and Nickel Complexes: Access to a Monomeric Nickel Hydride and Its Catalytic Application, Inorg. Chem., 61, 17370 - 17377 (2022). Rohit Kumar, Sanjukta Pahar, Joy Chatterjee, Soumya Ranjan Dash, Rajesh G. Gonnade, Kumar Vanka And Sakya S. Sen,* Luminescent magnesium complexes with intra- and inter-ligand charge transfer, Chem. Commun., 58, 11843 - 11846 (2022). Rohit Kumar, Sayan Dutta, Vishal Sharma, Praval P. Singh, Rajesh G. Gonnade, Debasis Koley* And Sakya S. Sen, Monomeric Magnesium Catalyzed Alkene and Alkyne Hydroboration, Chem. Eur. J., 28, e202201896 - (1-8) (2022). Highlighted in Chemistry views: https://www.chemistryviews.org/monomeric-magnesium-complexes-for-catalysis/ Selected for Inside Front Cover. The first two authors contributed equally Gargi Kundu, Ruchi Dixit, Srinu Tothadi, Kumar Vanka And Sakya S. Sen,* Versatile chemistry of six-membered NHC with boranes: bromination at sp3 borane, activation of the B–H bond of HBpin, and ring expansion of NHC, Dalton Trans., 51, 14452 - 14457 (2022). Selected for Inside Front Cover Gargi Kundu, Kajal Balayan, Srinu Tothadi And Sakya S. Sen,* Six-membered Saturated NHC Stabilized Borenium Cations: Isolation of a Cationic Analogue of Borinic Acid, Inorg. Chem., 61, 12991 - 12997 (2022). Gargi Kundu, Srinu Tothadi And Sakya S. Sen,* Nucleophilic Substitution at a Coordinatively Saturated Five-Membered NHC-Haloborane Centre, Inorganics., 10, 97 (1 - 13) (2022). This article belongs to the Special Issue Fifth Element: The Current State of Boron Chemistry Kritika Gour, Milan Kumar Bisai And Sakya S. Sen,* Hypersilyl Substituent in Heavier Low-valent Group 14 Chemistry, Eur. J. Inorg. Chem., e202200071, 1 - 14 (2022). Invited Review Rohit Kumar, Vishal Sharma, Shailja Jain, Himanshu Sharma, Kumar Vanka And Sakya S. Sen,* A Well-Defined Calcium Compound Catalyzes Trimerization of Arylisocyanates into 1,3,5-Triarylisocyanurates, ChemCatChem., 14, e202101788 - (1-6) (2022). Part of a joint Special Collection on “Main Group Catalysis” Kritika Gour And Sakya S. Sen,* Applications of Germylenes in Catalysis, Ed. Rebecca Melen, Encyclopedia of Inorganic and Bioinorganic Chemistry., , (2022), DOI:10.1002/9781119951438.eibc2832. Invited Book Chapter Gargi Kundu, V. S. Ajithkumar, K. Vipin Raj, Kumar Vanka, Srinu Tothadi And Sakya S. Sen ,* Substitution at sp3 boron of a six-membered NHC-BH3: convenient access to a dihydroxyborenium cation, Chem. Commun., 58, 3783 - 3786 (2022). Sanjukta Pahar, Vishal Sharma, Srinu Tothadi And Sakya S. Sen,* Pyridylpyrrolido ligand in Ge(II) and Sn(II) chemistry: Synthesis, reactivity and catalytic application, Dalton Trans., 50, 16678 - 16684 (2021). Dalton Transactions web collection themed around the topic of tin chemistry. Milan Kumar Bisai, Tamal Das, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen,* Unsymmetrical sp2-sp3 Disilenes, Angew. Chem. Int. Ed., 60, 20706 - 20710 (2021). Selected as HOT Paper Rohit Kumar, Milan Kumar Bisai, Shailja Jain, Kumar Vanka And Sakya S. Sen, Deoxygenative hydroboration of primary and secondary amides: A catalyst- free and solvent-free approach, Chem. Commun., 57, 10596 - 10599 (2021). Gargi Kundu, V. S. Ajithkumar, Milan Kumar Bisai, Srinu Tothadi, Tamal Das, Kumar Vanka And Sakya S. Sen,* Diverse reactivity of carbenes and silylenes towards fluoropyridines, Chem. Commun., 57, 4428 - 4431 (2021). Milan Kumar Bisai, V. S. V. S. N. Swamy, K. Vipin Raj, Kumar Vanka And Sakya S. Sen,* Diverse Reactivity of Hypersilylsilylene with Boranes and Three-Component Reactions with Aldehyde and HBpin, Inorg. Chem., 60, 1654 - 1663 (2021). Equal Contribution by the first two authors Milan Kumar Bisai, V. S. Ajithkumar, Rajesh G. Gonnade And Sakya S. Sen,* Access to a Variety of Ge(II) and Sn(II) Compounds through Substitution of Hypersilyl Moiety, Organometallics., 40, 2651 - 2657 (2021). Milan Kumar Bisai, Vishal Sharma, Rajesh G. Gonnade And Sakya S. Sen, Reactivities of Silaimines with Boranes: From Cooperative B-H Bond Activation to Donor Stabilized Silyl Cation, Organometallics., 40, 2133 - 2138 (2021). Milan Kumar Bisai, Kritika Gour, Tamal Das, Kumar Vanka And Sakya S. Sen,* Lithium compound catalyzed deoxygenative hydroboration of primary, secondary and tertiary amides, Dalton Transactions., 50, 2354 - 2358 (2021). Milan Kumar Bisai, Kritika Gour, Tamal Das, Kumar Vanka And Sakya S. Sen, Readily Available Lithium Compounds as Catalysts for the Hydroboration of Carbodiimides and Esters, J. Organometal. Chem., 949, 121924 (2021). (Invited article for a special issue on the occasion of Professor Pradeep Mathur 65th birthday) Ruchi Dixit, Milan Kumar Bisai, Sandeep Yadav, Vinita Yadav, Sakya S. Sen And Kumar Vanka, Substrate, Catalyst, and Solvent: The Triune Nature of Multitasking Reagents in Hydroboration and Cyanosilylation, Organometallics., 40, 1104 - 1112 (2021). Gargi Kundu, Sanjukta Pahar, Srinu Tothadi And Sakya S. Sen,* Stepwise Nucleophilic Substitution to Access Saturated N-heterocyclic Carbene Haloboranes with Boron-Methyl Bonds, Organometallics., 39, 4696 - 4703 (2020). Sanjukta Pahar, V. S. V. S. N. Swamy, Tamal Das, Rajesh G. Gonnade, Kumar Vanka And Sakya S. Sen,* Access to diverse germylenes and a six-membered dialane with a flexible beta-diketiminate, Chem. Commun., 56, 11871 - 11874 (2020). Sanjukta Pahar, Gargi Kundu And Sakya S. Sen,* Cyanosilylation by Compounds with Main-Group Elements: An Odyssey, ACS Omega., 5, 25477 - 25484 (2020). Invited Mini-Review Sandeep Yadav, Rohit Kumar, K. Vipin Raj, Prashant Yadav, Kumar Vanka And Sakya S. Sen,* Amidinato Germylene-Zinc Complexes: Synthesis, Bonding, and Reactivity, Chem. Asian J., 15, 3116 - 3121 (2020). Early Career Special Collection Invitation Rohit Kumar, Sandeep Yadav, Kritika Gour, Ekta Sangtani, Soumya Ranjan Dash, Abhishekram Raja, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen,* A Tale of Biphenyl and Terphenyl Substituents for Structurally Diverse Ketiminato Magnesium, Calcium and Germanium Complexes, Chem. Asian J., 15, 820 - 827 (2020). Equal contribution from the first two authors Beesam Raghavendra, K Bakthavachalam, Tamal Das, Thierry Roisnel, Sakya S Sen, Kumar Vanka* And Sundargopal Ghosh, Transmetallation vs adduct: Diverse reactivity of N, O-ketiminato germylene with [Cp* MCl2] 2 (M= Rh or Ir; Cp= eta5-C5Me5) and MCl5 (M= Nb and Ta), J. Organometal. Chem., 911, 121142(1) - 121142(8) (2020). Gargi Kundu, Sriman De, Srinu Tothadi, Abhishek Das, Debasis Koley* And Sakya S. Sen, Saturated N-Heterocyclic Carbene based Thiele's Hydrocarbon with a Tetrafluorophenylene Linker, Chem. Eur. J., 25, 16533 - 16537 (2019). The first two authors have contributed equally for the work. Milan Kumar Bisai, Sandeep Yadav, Tamal Das, Kumar Vanka And Sakya S. Sen,* Lithium compounds as single site catalysts for hydroboration of alkenes and alkynes, Chem. Commun., 55, 11711 - 11714 (2019). Milan Kumar Bisai, V. S. V. S. N. Swamy, Tamal Das, Kumar Vanka, Rajesh G. Gonnade And Sakya S. Sen,* Synthesis and Reactivity of a Hypersilylsilylene, Inorg. Chem., 58, 10536 - 10542 (2019). This article is part of the Celebrating the Year of the Periodic Table: Emerging Investigators in Inorganic Chemistry special issue. Moumita Pait, Gargi Kundu, Srinu Thothadi, Suvendu Karak, Shailja Jain, Kumar Vanka And Sakya S. Sen,* C-F Bond Activation by a Saturated N-Heterocyclic Carbene: Mesoionic Compound Formation and Adduct Formation with B(C6F5)3, Angew. Chem. Int. Ed., 58, 2804 - 2808 (2019). Equal contribution from the first two authors V. S. V. S. N. Swamy, K. Vipin Raj, Kumar Vanka, Sakya S. Sen* And Herbert W. Roesky, Silylene induced cooperative B–H bond activation and unprecedented aldehyde C–H bond splitting with amidinate ring expansion, Chem. Commun., 55, 3536 - 3539 (2019). Sandeep Yadav, Ruchi Dixit, Milan Kumar Bisai, Kumar Vanka And Sakya S. Sen, Alkaline Earth Metal Compounds of Methylpyridinato beta-diketiminate Ligands and their Catalytic Application in Hydroboration of Aldehydes and Ketones, Organometallics., 37, 4576 - 4584 (2018). The first two authors contributed equally for this paper K. Bakthavachalam, Sayan Dutta, Arivazhagan C., Beesam Raghavendra, Anagha Haridas, Sakya S. Sen, Debasis Koley* And Sundargopal Ghosh, Cyclometallation of a germylene ligand by concerted metalation–deprotonation of a methyl group, Dalton Transactions., 47, 15835 - 15844 (2018). V. S. V. S. N. Swamy, Gargi Kundu And Sakya S. Sen,* Facile activation of Si-H bond by an electrophilic carbene, J. Indian. Chem. Soc., 95, 789 - 793 (2018). Invited contribution for a special issue on the occasion of 157th birth anniversary of Acharya Prafulla Chandra Ray Milan Kumar Bisai, Tamal Das, Kumar Vanka And Sakya S. Sen,* Easily accessible lithium compounds catalyzed mild and facile hydroboration and cyanosilylation of aldehydes and ketones, Chem. Commun., 54, 6843 - 6846 (2018). This work is part of the themed collection: 2018 Emerging Investigators Sanjukta Pahar, Suvendu Karak, Moumita Pait, K. Vipin Raj, Kumar Vanka And Sakya S. Sen,* Access to Silicon(II)- and Germanium(II)-Indium Compounds, Organometallics., 37, 1206 - 1213 (2018). Sakya S. Sen And Herbert W. Roesky, Silicon-fluorine chemistry: From preparation of SiF2 to C-F bond activation by silylenes and its heavier congeners, Chem. Commun., 54, 5046 - 5057 (2018). Invited Feature Article Sandeep Yadav, Ruchi Dixit, Kumar Vanka And Sakya S. Sen,* Beyond Hydrofunctionalization: A Well-Defined Calcium Compound Catalyzed Mild and Efficient Carbonyl Cyanosilylation, Chem. Eur. J., 24, 1269 - 1273 (2018). V. S. V. S. N. Swamy, Nasrina Parvin, K. Vipin Raj, Kumar Vanka And Sakya S. Sen, C(sp3)–F, C(sp2)–F and C(sp3)–H bond activation at silicon(II) center, Chem. Commun., 53, 9850 - 9853 (2017). Sandeep Yadav, Ekta Sangtani, Diksha Dhawan, Rajesh G. Gonnade, Debashree Ghosh And Sakya S. Sen, Unprecedented solvent induced inter-conversion between monomeric and dimeric silylene-zinc iodide adducts, Dalton Transactions., 46, 11418 - 11424 (2017). V. S. V. S. N. Swamy, Milan Kumar Bisai, Tamal Das And Sakya S. Sen,* Metal free mild and selective aldehyde cyanosilylation by a neutral penta-coordinate silicon compound, Chem. Commun., 53, 6910 - 6913 (2017). Sandeep Yadav, Sanjukta Pahar And Sakya S. Sen,* Benz-amidinato calcium iodide catalyzed aldehyde and ketone hydroboration with unprecedented functional group tolerance, Chem. Commun., 53, 4562 - 4564 (2017). Milan Kumar Bisai, Sanjukta Pahar, Tamal Das, Kumar Vanka And Sakya S. Sen, Transition metal free catalytic hydroboration of aldehydes and aldimines by amidinato silane, Dalton Trans., 46, 2420 - 2424 (2017). Nasrina Parvin, Rajarshi Dasgupta, Shiv Pal, Sakya S. Sen And Shabana Khan, Strikingly diverse reactivity of structurally identical silylene and stannylene, Dalton Trans., 46, 6528 - 6532 (2017). Andreas E Seitz, Maria Eckhardt, Sakya S. Sen, Andreas Erlebach, Eugenia V Peresypkina, Herbert W Roesky, Marek Sierka And Manfred Scheer, Different Reactivity of As4 towards Disilenes and Silylenes, Angew. Chem. Int. Ed., 56, 6655 - 6659 (2017). V. S. V. S. N. Swamy, Sandeep Yadav, Shiv Pal, Tamal das, Kumar Vanka And Sakya S. Sen, Facile access to a Ge(II) dication stabilized by isocyanides, Chem. Commun., 52, 7890 - 7892 (2016). Sandeep Yadav, Sumana Saha And Sakya S. Sen,* Compounds having Low-Valent p-Block Elements for Small Molecule Activation and Catalysis, ChemCatChem., 8, 486 - 501 (2016). Sandeep Yadav, V. S. V. S. N. Swamy, Rajesh G Gonnade And Sakya S. Sen,* Benz-amidinato Stabilized a Monomeric Calcium Iodide and a Lithium Calciate(II) Cluster featuring Group 1 and Group 2 Elements, ChemistrySelect., 1, 1066 - 1071 (2016). Rüdiger Bertermann, Julian Böhnke, Holger Braunschweig, Rian D. Dewhurst, Thomas Kupfer, Jonas H. Muessig, Leanne Pentecost, Krzysztof Radacki, Sakya S. Sen And Alfredo Vargas, Dynamic, Reversible Oxidative Addition of Highly Polar Bonds to a Transition Metal, J. Am. Chem. Soc., 138, 16140 - 16147 (2016). Sakya S. Sen and Herbert W. Roesky, Efficient Methods for Preparing Silicon Compounds, Academic Press, Elsevier., Chapter 17 and 18, (2016). V S V S N Swamy, Shiv Pal, Shabana Khan And Sakya S. Sen, Cations and dications of heavier group 14 elements in low oxidation state, Dalton Trans., 44, 12903 - 12923 (2015). Holger Braunschweig, Mehmet A. Celik, Rian D. Dewhurst, Magdalena Heid, Florian. Hupp And Sakya S. Sen, Stepwise isolation of low-valent, low-coordinate Sn and Pb mono- and dications in the coordination sphere of platinum, Chem. Sci., 6, 425 - 435 (2015). Johannes Brand, Holger Braunschweig, Florian Hupp, Ashwini K. Phukan, Krzysztof Radacki And Sakya S. Sen, A B–C Double Bond Unit Coordinated to Platinum: An Alkylideneboryl Ligand that is Isoelectronic to Neutral Aminoborylene Ligands, Angew. Chem. Int. Ed., 53, 2240 - 2244 (2014). Sakya S. Sen,* A Stable Silanone with a Tri-coordinate Silicon Atom: Century's Wait is Over, Angew. Chem. Int. Ed., 53, 8820 - 8822 (2014). Invited Highlight Johannes Brand, Holger Braunschweig And Sakya S. Sen, B=B and B?E (E=O and N) Multiple Bonds in the Coordination Sphere of Late Transition Metals, Acc. Chem. Res., 47, 180 - 191 (2014). Thomas Arnold, Holger Braunschweig, J. Oscar, C. Jimenez-Halla, Kryzsztof Radacki And Sakya S. Sen, Simultaneous Fragmentation and Activation of White Phosphorus, Chem. Eur. J., 19, 9114 - 9117 (2013). Thomas Arnold, Holger Braunschweig, Florian Hupp, Kryzsztof Radacki And Sakya S. Sen, Reactions of a [1],[1]Disilamolybdenocenophane towards Unsaturated Compounds, Eur. J. Inorg. Chem., , 5027 - 5032 (2013). Sakya S. Sen, Jakob Hey, Daniel Kratzert, Herbert W. Roesky And Dietmar Stalke, A Remarkable End-on Activation of Diazoalkane and Cleavage of Both C-Cl bonds of Dichloromethane with a Silylene to a Single Product with Five-Coordinate Silicon Atoms, Organometallics., 31, 435 - 439 (2012). Sakya S. Sen, Shabana Khan, Prinson P. Samuel And Herbert W. Roesky, Chemistry of functionalized silylenes, Chem. Sci., 2, 659 - 682 (2012). Sakya S. Sen, Shabana Khan And Selvarajan Nagendran and Herbert W. Roesky , Inter-connected Bis-silylene: A New Dimension in Silicon Chemistry, Acc. Chem. Res., 45, 578 - 587 (2012). Shabana Khan, Sakya S. Sen And Herbert W. Roesky, Activation of phosphorus by compounds with group 14 elements in low oxidation states, Chem. Commun., 48, 2169 - 2179 (2012). Prinson P. Samuel, Ramachandran Azhakar, Rajendra S. Ghadwal, Sakya S. Sen, Herbert W. Roesky, Markus Granitzka, Julia Matussek, Regine Herbst-Irmer And Dietmar Stalke, Stable Silaimines with Three- and Four-Coordinate Silicon Atoms, Inorg. Chem., 51, 11049 - 11054 (2012). Sakya S. Sen, Shabana Khan, Herbert W. Roesky, Daniel Kratzert, Kathrin Meindl, Julian Henn, Dietmar Stalke, Jean-Philippe Demers And Adam Lange, Zwitterionic Si-C-Si-P and Si-P-Si-P Four-membered Rings with Two Coordinate Phosphorus Atoms, Angew. Chem. Int. Ed., , 2322 - 2325 (2011). Sakya S. Sen, Jakob Hey, Regine Herbst-Irmer, Herbert W. Roesky And Dietmar Stalke, Striking Stability of a Substituted Silicon(II) Bis(trimethylsilyl)amide and the Facile Si-Me Bond Cleavage without a Transition Metal Catalyst, J. Am. Chem. Soc., 133, 12311 - 12316 (2011). Sharanappa Nembenna, Sanjay Singh, Sakya S. Sen, Herbert W. Roesky, Holger Ott And Dietmar Stalke, ?-Diketiminate Stabilized Magnesium Hydroxide, Heterobimetallic, and Halide Complexes: Synthesis and X-ray Structural Studies, Z. Anorg. Allg. Chem., 637, 201 - 205 (2011). Sakya S. Sen, Rajendra S. Ghadwal, Daniel Kratzert, Daniel Stern, Herbert W. Roesky And Dietmar Stalke, Synthesis, Characterization, and Structure of [{PhC(NtBu)2}2Ge2(?-S)2Cl2] and a Germanium Dithiocarboxylate Analogue, Organometallics., 30, 1030 - 1033 (2011). Sakya S. Sen, Shabana Khan, Daniel Kratzert, Herbert W. Roesky And Dietmar Stalke, Reaction of a Base-Stabilized Bis(silylene) [PhC(NtBu)2Si]2 with Cyclooctatetraene without Cleavage of the Si–Si Bond”, Eur. J. Inorg. Chem., , 1370 - 1373 (2011). Shabana Khan, Sakya S. Sen, Daniel Kratzert, Gašper Tav?ar, Herbert W. Roesky And Dietmar Stalke, Synthesis and Characterization of Stable Silicon Heterocycles by Oxidative Addition of Organic Substrates with Chlorosilylene [PhC(NtBu)2SiCl], Chem. Eur. J., 17, 4283 - 4290 (2011). Shabana Khan, Sakya S. Sen, Reent Michel, Daniel Kratzert, Herbert W. Roesky And Dietmar Stalke, Formation of a Unsymmetrical Ring System via C–H Bond Activation of Diazobenzene by Stable N-Heterocyclic Chlorosilylene (PhC(NtBu)2SiCl), Organometallics., 30, 2643 - 2645 (2011). Sankaranarayana Pillai Sarish, Sakya S. Sen, Herbert W. Roesky, Ina Objartel And Dietmar Stalke, Elegant approach to spacer arranged silagermylene and bis(germylene) compounds, Chem. Commun., 47, 7206 - 7208 (2011). Shabana Khan, Reent Michel, Sakya S. Sen, Herbert W. Roesky And Dietmar Stalke, P4 Chain and Cage from Silylene Activated White Phosphorus, Angew. Chem. Int. Ed., 50, 11786 - 11789 (2011). Sakya S. Sen, Jakob Hey, Maria Eckhardt, Regine Herbst-Irmer, Eric Maedl, Ricardo A. Mata, Herbert W. Roesky, Manfred Scheer And Dietmar Stalke, A Stable Cation of a CSi3P Five-Membered Ring with a Weakly Coordinating Chloride Anion, Angew. Chem. Int. Ed., 50, 12510 - 12513 (2011). Sakya S. Sen, Herbert W. Roesky, Daniel Stern, Julian Henn And Dietmar Stalke, High Yield Access to Silylene RSiCl (R = PhC(NtBu)2) and its Reactivity toward Alkyne: Synthesis of Stable Disilacyclobutene, J. Am. Chem. Soc., 132, 1123 - 1126 (2010). Sakya S. Sen, Herbert W. Roesky, Kathrin Meindl, Daniel Stern, Julian Henn, A. Claudia Stueckl And Dietmar Stalke, Synthesis, structure, and theoretical investigation of amidinato supported 1,4-disilabenzene, Chem. Commun., 46, 5873 - 5875 (2010). Rajendra S. Ghadwal, Sakya S. Sen, Herbert W. Roesky, Markus Granitzka, Daniel Kratzert, Sebastian Merkel And Dietmar Stalke, Convenient Access to Monosilicon Epoxides with Pentacoordinate silicon, Angew. Chem. Int. Ed., 49, 3952 - 3955 (2010). Sakya S. Sen, Gašper Tav?ar, Herbert W. Roesky, Daniel Kratzert, Jakob Hey And Dietmar Stalke, Synthesis of a Stable Four-membered Si2O2 Ring and a Dimer with Two Four-membered Si2O2 Rings bridged by Two Oxygen Atoms, with Five-coordinate Silicon atoms in both the Ring Systems, Organometallics., 29, 2343 - 2347 (2010). Sakya S. Sen, Daniel Kratzert, Daniel Stern, Herbert W. Roesky And Dietmar Stalke, Reactivity Studies of a Ge(I)-Ge(I) Compound with and without cleavage of the Ge-Ge bond, Inorg. Chem., 49, 5786 - 5788 (2010). Gašper Tav?ar, Sakya S. Sen, Herbert W. Roesky, Jakob Hey, Daniel Kratzert And Dietmar Stalke, Reaction of a Bis-silylene (LSi-SiL, L = PhC(NtBu)2) and a Heteroleptic Chloro Silylene (LSiCl) with Benzil: Formation of Bis(siladioxolene) and Monosiladioxolene Analogue with Five-Coordinate Silicon Atoms in Both Ring Systems, Organometallics., 29, 3930 - 3935 (2010). Shabana Khan, Sakya S. Sen, Daniel Kratzert, Reent Michel, Herbert W. Roesky And Dietmar Stalke, One pot Synthesis of tricylodisilaheptene Analogue and Jutzi’s Disilene, Inorg. Chem., 49, 9689 - 9693 (2010). Gašper Tav?ar, Sakya S. Sen, Ramachandran Azhakar, Andrea Thorn And Herbert W. Roesky, Facile Syntheses of Silylene Nickel Carbonyl Complexes from Lewis Base Stabilized Chlorosilylenes, Inorg. Chem., 49, 10199 - 10202 (2010). Sakya S. Sen, Malte P. Kritzler-Kosch, Selvarajan Nagendran, Herbert W. Roesky, Tobias Beck, Aritra Pal And Regine Herbst-Irmer, Synthesis of Monomeric Divalent Tin(II) Compounds with Terminal Chloride, Amide, and Triflate Substituents, Eur. J. Inorg. Chem., , 5304 - 5311 (2010). Sakya S. Sen, Anukul Jana, Herbert W. Roesky And Carola Schulzke, A Remarkable Base-Stabilized Bis(silylene) with a Silicon(I)-Silicon(I) Bond, Angew. Chem. Int. Ed., 48, 8536 - 8538 (2009). Anukul Jana, Sakya S. Sen, Herbert W. Roesky, Carola Schulzke, Sudipta Dutta And Swapan K. Pati, End-On Nitrogen Insertion of a Diazo Compound into a Germanium(II) Hydrogen Bond and a Comparable Reaction with Diethyl Azodicarboxylate, Angew. Chem. Int. Ed., 48, 4246 - 4248 (2009). Rajendra S. Ghadwal, Sakya S. Sen, Herbert W. Roesky, Gasper Tavcar, Sebastian Merkel And Dietmar Stalke, Neutral Penta- and Hexacoordinate N-Heterocyclic Carbene Complexes Derived from SiX4 (X= F, Br, Organometallics., 28, 6374 - 6377 (2009). Selvarajan Nagendran, Sakya S. Sen, Herbert W. Roesky, Debasis Koley, Helmut Grubmüller, Aritra Pal And Regine Herbst-Irmer, RGe(I)Ge(I)R Compound (R = PhC(NtBu)2) with a Ge-Ge Single Bond and a Comparison with the Gauche Conformation of Hydrazine, Organometallics., 27, 5459 - 5463 (2008). Chhandasi Guharoy, Sakya Singha Sen, Swati Dutta, Golam Mostafa And Samaresh Bhattacharya, Synthesis, Structure and Electrochemical Properties of a family of Organoruthenium Complexes, Polyhedron., 26, 3876 - 3884 (2007).

Research Group Publications