Selvarajan Nagendran

Indian Institute of Technology Delhi

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Mahendra K. Sharma

University of Duisburg-Essen

Goutam Mukherjee

Heidelberg Institute for Theoretical Studies

Pritam Mahawar

Indian Institute of Technology Delhi

Soumen Sinhababu

University of Illinois Chicago

Gopalan Rajaraman

Indian Institute of Technology Bombay

Rahul Kumar Siwatch

Nanyang Technological University

Dhirendra Yadav

Indian Institute of Technology Delhi

Surendar Karwasara

University of Duisburg-Essen

Vadapalli Chandrasekhar

TIFR Centre for Interdisciplinary Sciences

Prakash Chandra Joshi

Indian Institute of Technology Delhi

Cooperative Institutions

Indian Institute of Technology Delhi

Indian Institute of Technology Kanpur

University of Göttingen

Indian Institute of Technology Bombay

University of Delhi

Institute of Inorganic Chemistry of the Slovak Academy of Sciences

University of Liverpool

Sudha Hospital and Medical Research Centre

Tohoku University

Academy of Scientific and Innovative Research

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ORGANOSTANNOXANE MOTIFS IN CAGES AND SUPRAMOLECULAR ARCHITECTURES

Phosphorus, sulfur, and silicon and the related elements (2004)

Vadapalli Chandrasekhar Viswanathan Baskar Ramamoorthy Boomishankar Selvarajan Nagendran

Abstract The reactions of n-butyl stannonic acid with(PhO) 2 P(O)H leads to the formation of a hexameric tin cage [{(n-BuSn) 3 (PhO) 3 O} 2 {HPO 3 } 4 ].This reaction involves an in situ P─O bond cleavage and the generation of a [HPO 3 ] 2− ion. A direct reaction of six equivalents of n-BuSnO(OH) acid with six equivalents of C 6 H 5 OH and four equivalents of H 3 PO 3 also leads to the formation of same cage structure. A tetranuclear organooxotin cage[(PhCH 2 ) 2 Sn 2 O(O 2 P(OH)-t-Bu) 4 ] 2 has been assembled by debenzylation involving the reaction of (PhCH 2 ) 2 SnCl 2 ,(PhCH 2 ) 2 SnO·H 2 O or (PhCH 2 ) 3 SnCl with two equivalents of t-BuP(O)OH 2 . A half-cage intermediate [(PhCH 2 ) 2 Sn 2 O(O 2 P(OH)-t-Bu) 4 ] has been detected. New organotin cations of the type [n-Bu 2 Sn(H 2 O) 4 ] 2+[2,5-Me 2 -C 6 H 3 SO 3 ]− 2 and {[n-Bu 2 Sn(H 2 O) 3 LSn(H 2 O) 3 (n-Bu) 2 ] 2+[1,5-(SO 3 ) 2 -C 10 H 6 ] 2−} have been obtained in the reactions of n-Bu 2 SnO or (n-Bu 3 Sn) 3 O with 2,5-dimethyl sulfonic acid and 1,5-naphthalene disulfonic acid respectively. These organotin cations form interesting supramolecular structures in the solid state as a result of O─H─···O hydrogen bonding. Keywords: Cageshydrogen bondingorganotin cationsstannoxanessupramolecular structures

Cleavage (geology)

10.1080/10426500490426575

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CCDC 1456019: Experimental Crystal Structure Determination

The Cambridge Structural Database (2016)

Rahul Kumar Siwatch Surendar Karwasara Mahendra K. Sharma Santigopal Mondal Goutam Mukherjee

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

Crystal (programming language)

10.5517/cc1kw3cx

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CCDC 953283: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Surendar Karwasara Mahendra K. Sharma Rupali Tripathi Selvarajan Nagendran

10.5517/cc10zz21

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CCDC 1007961: Experimental Crystal Structure Determination

The Cambridge Structural Database (2014)

Rahul Kumar Siwatch Selvarajan Nagendran

Crystal (programming language)

10.5517/cc12tvwm

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CCDC 1585662: Experimental Crystal Structure Determination

The Cambridge Structural Database (2018)

Mahendra K. Sharma Dharmendra Singh Pritam Mahawar Ravi Yadav Selvarajan Nagendran

Crystal (programming language)

10.5517/ccdc.csd.cc1q70dc

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Can Low‐Valent Germanium Chemistry Be Practiced Under Ambient Conditions? A Tale of a Water‐Stable Yet Reactive Germylene Monochloride Complex

Chemistry - A European Journal (2014)

Chandan Kumar Jha Surendar Karwasara Selvarajan Nagendran

A germylene monochloride complex ((DPM)GeCl, 1) that is water stable was isolated for the first time. Interestingly, it reacts with cesium fluoride under ambient conditions (non-inert atmosphere and water-containing solvent) to afford water stable germylene monofluoride complex ((DPM)GeF, 2). Due to the usage of DPM (dipyrrinate) ligand, germylene monohalides 1 and 2 show fluorescence in the visible region at 555 and 538 nm, respectively. Compounds 1 and 2 are the first fluorescent germylene complexes and were characterized by multinuclear NMR spectroscopy. The structure of compound 1 was also proved by single crystal X-ray diffraction studies.

Inert gas

10.1002/chem.201403598

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Ge(ii) cation catalyzed hydroboration of aldehydes and ketones

Dalton Transactions (2019)

Soumen Sinhababu Dharmendra Singh Mahendra K. Sharma Rahul Kumar Siwatch Pritam Mahawar

The catalytic utility of a germylene cation 4 is reported. In the presence of compound 4, a variety of aldehydes and ketones can be hydroborylated using HBpin.

Hydroboration

10.1039/c8dt05121f

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Citations (38)

CCDC 1531063: Experimental Crystal Structure Determination

The Cambridge Structural Database (2017)

Mahendra K. Sharma Soumen Sinhababu Goutam Mukherjee Gopalan Rajaraman Selvarajan Nagendran

10.5517/ccdc.csd.cc1nd64d

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A Reactivity Change of a Strontium Monohydroxide by Umpolung to an Acid

Inorganic Chemistry (2008)

Sankaranarayanapillai Sarish Sharanappa Nembenna Selvarajan Nagendran Herbert W. Roesky Aritra Pal

Controlled hydrolysis of strontium amide LSrN(SiMe 3) 2(thf) (L = CH(CMe2,6- i-Pr 2C 6H 3N) 2) ( 1) gave an unprecedented example of a hydrocarbon-soluble strontium hydroxide, [LSr(thf)(mu-OH) 2Sr(thf) 2L] ( 2). In compound 2, the tetrahydrofuran (THF) molecules can easily replaced by benzophenone and triphenylphosphine oxide to yield [LSr(mu-OH)(OCPh 2)] 2 ( 3) and [LSr(mu-OH)(OPPh 3)] 2 ( 4) compounds. Among the two strontium atoms of 2, one is coordinated to a single THF molecule, while the other is coordinated to two THF molecules. Interestingly, strontium hydroxide complex 2 behaves as an acid in its reaction with Zr(NMe 2) 4 and results in a heterobimetallic oxide, [LSr(mu-O)Zr(NMe 2) 3] 2 ( 5). Compound 5 is dimeric in the solid state and contains a Sr 2Zr 2O 2 core.

Tetrahydrofuran

Reactivity

Ammonium hydroxide

Triphenylphosphine oxide

10.1021/ic800284u

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Citations (39)

Tridentate N3 capping coordination behaviour of potentially multi-site coordinating cyclotriphosphazenes: synthesis and spectroscopic studies of 2,2-spiro(1,3-propanediamino)-4,4,6,6-tetrakis(3,5-dimethylpyrazolyl)cyclotriphosphazene, 2,2-diamino-4,4,6,6-tetrakis(3,5-dimethylpyrazolyl)-cyclotriphosphazene and their mononuclear complexes; X-ray structure of ATPCTP·CoCl2

Inorganica Chimica Acta (1999)

K. R. Justin Thomas Vadapalli Chandrasekhar Kannan Vivekanandan Senthil A. Gurusamy Thangavelu Selvarajan Nagendran

Geminal

Nitrogen atom