Výsledky vyhledávání - "Rajaputi Venkatraman Krishnakumar"

Akademický článek

Crystal structure of the cis and trans polymorphs of bis[μ-2-(1,3-benzothiazol-2-yl)phenolato]-κ3N,O:O;κ3O:N,O-bis[fac-tricarbonylrhenium(I)]

Autor: Maruthupandiyan Priyatharsini, Bhaskaran Shankar, Malaichamy Sathiyendiran, Navaneethakrishnan Srinivasan, Rajaputi Venkatraman Krishnakumar

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 2, Pp 310-313 (2017)

The title dinuclear complex, [Re2(C13H8NOS)2(CO)6], crystallizes in two polymorphs where the 2-(1,3-benzothiazol-2-yl)phenolate ligands and two carbonyl groups are trans- (I) or cis-arranged (II) with respect to the [Re2O2(CO)4] core. Polymorphs I an

Externí odkaz: https://doaj.org/article/bde761fa391d4eca87abb670f41803ad

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Efficient atom economical one-pot multicomponent synthesis of densely functionalized 4H-chromene derivatives

Autor: Rajaputi Venkatraman Krishnakumar, Muthusamy Boominathan, Muthupandi Nagaraj, Shanmugam Muthusubramanian

Publikováno v: Tetrahedron. 67:6057-6064

A sequential one-pot, atom economical three component reaction yielding medicinally promising ethyl 2-amino-3-cyano-4-(2-ethoxy-2-oxoethyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-4-carboxylate derivatives (4a–f) through a tandem Michael addition–cy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36133f629a9e0af7e240aed0d37c15a8
https://doi.org/10.1016/j.tet.2011.06.021

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Crystal structure of [4-(2-methoxyphenyl)-3-methyl-1-phenyl-6-trifluoromethyl-1H-pyrazolo[3,4-b]pyridin-5-yl](thiophen-2-yl)methanone

Autor: Rajaputi Venkatraman Krishnakumar, V. Rajni Swamy, Peter Müller, Pethaiah Gunasekaran, N. Srinivasan

Publikováno v: International Union of Crystallography (IUCr)
Acta Crystallographica Section E, Vol 70, Iss 9, Pp o974-o975 (2014)
Acta Crystallographica Section E: Structure Reports

The title compound, C26H18F3N3O2S, a 2-methoxy-substituted derivative, is closely related to its 4-methyl- and 4-chloro-substituted analogues and yet displays no structural relationships with them. The thiophene ring is disorder free and the –CF3gr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db1e5caa42394937a8dc89570e0e89c6
http://hdl.handle.net/1721.1/90935

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ChemInform Abstract: Efficient Atom Economical One-Pot Multicomponent Synthesis of Densely Functionalized 4H-Chromene Derivatives

Autor: Shanmugam Muthusubramanian, Muthupandi Nagaraj, Rajaputi Venkatraman Krishnakumar, Muthusamy Boominathan

Publikováno v: ChemInform. 42

Amine-mediated three-component reaction of 1,3-diketones with acetylenedicarboxylate (II) and malononitrile or cyanoacetate under neat conditions provides a novel atom-efficient access towards chromenes (IV) and (VI), respectively.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d55d3d3af63a56aa6b6397e07e44ce9
https://doi.org/10.1002/chin.201151126

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