Zobrazeno 1 - 10 of 10 pro vyhledávání: '"V. P. Alex Raja"'
1
Akademický článek
2,6-Bis(2-chlorophenyl)-4-oxo-3,5-diphenylheptane-1,1,7,7-tetracarbonitrile
Autor: A. Jahubar Ali, S. Athimoolam, S. Asath Bahadur, V. P. Alex Raja
Publikováno v: Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1407-o1408 (2011)
In the title compound, C35H24Cl2N4O, the phenyl rings are oriented almost parallel to each other, making a dihedral angle of 0.6 (2)°, whereas the chlorophenyl rings are oriented at a dihedral angle of 28.3 (1)°. The crystal structure is stabilized
Externí odkaz: https://doaj.org/article/eacd58639fef447987905d1305f69815
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2
Akademický článek
2-Amino-6-(2,4-dichlorophenyl)-4-oxo-3,5-diphenylcyclohex-2-enecarbonitrile
Autor: V. P. Alex Raja, S. Asath Bahadur, S. Athimoolam, A. Jahubar Ali
Publikováno v: Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2593-o2593 (2010)
In the title compound, C25H18Cl2N2O, the cyclohexene ring has a sofa conformation. All the substituents in the cyclohexene ring, except the cyano group (which is axial) occupy equatorial positions. The crystal structure is stabilized through N—H...
Externí odkaz: https://doaj.org/article/2483cc83a39949c888b9d98ef6bdaa56
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3
ChemInform Abstract: A Heavy Metal- and Oxidant-Free, One-Pot Synthesis of Pyridines and Fused Pyridines Based on a Lewis Acid-Catalyzed Multicomponent Reaction
Autor: J. Carlos Menéndez, Subbu Perumal, V. P. Alex Raja, Giammarco Tenti
Publikováno v: ChemInform. 46
The InCl3-catalyzed sequential multicomponent reaction between 2-furfurylamine, β-dicarbonyl compounds and α,β-unsaturated aldehydes in ethanol, followed by microwave irradiation in solvent-free conditions, afforded good to excellent yields of hig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eab34abf1bcc6ddbce1ad9ffe746048f
https://doi.org/10.1002/chin.201511207
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4
A heavy metal- and oxidant-free, one-pot synthesis of pyridines and fused pyridines based on a Lewis acid-catalyzed multicomponent reaction
Autor: Giammarco Tenti, V. P. Alex Raja, Subbu Perumal, J. Carlos Menéndez
Publikováno v: Chemical communications (Cambridge, England). 50(82)
The InCl3-catalyzed sequential multicomponent reaction between 2-furfurylamine, β-dicarbonyl compounds and α,β-unsaturated aldehydes in ethanol, followed by microwave irradiation in solvent-free conditions, afforded good to excellent yields of hig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47d4764b6692f38f6106fec50d1d5b10
https://pubmed.ncbi.nlm.nih.gov/24776752
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5
2,6-Bis(4-methylphenyl)-1-nitroso-3,5-diphenyl-2,3,5,6-tetrahydropyridin-4(1H)-one
Autor: V. P. Alex Raja, Jerad Suresh, S. Perumal, S. Natarajan
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 62:o3307-o3309
In the title mol­ecule, C31H28N2O2, the piperidinone ring adopts the usual twist-boat conformation. The aryl rings at positions 2 and 3 are axial and those at positions 5 and 6 are equatorial. In the crystal structure, there are no hydrogen bonds no
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f1be567de3c5a62c2223d57478e6061
https://doi.org/10.1107/s1600536806026031
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6
4-Oxo-2,3,5,6-tetraphenylpiperidine-1-carbonitrile ethyl acetate hemisolvate
Autor: Arvid Mostad, S. Perumal, Jerad Suresh, R. V. Krishnakumar, S. Natarajan, V. P. Alex Raja
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 62:o1295-o1297
In the title compound, C30H24N2O·0.5C4H8O2, the piperidone ring adopts the chair conformation and all the phenyl rings are equatorially oriented. The ethyl acetate molecule is present as a space filler and does not participate in the hydrogen-bondin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f8b8d496d04329070687f9aaadb0a9b
https://doi.org/10.1107/s1600536806007781
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9
2,6-Bis(2-methylphenyl)-1-nitroso-3,5-diphenylpiperidin-4-one
Autor: V. P. Alex Raja, S. Natarajan, Arvid Mostad, R. V. Krishnakumar, Jerad Suresh, S. Perumal
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 61:o2458-o2460
In the title compound, C29H22Cl2N2O2, the piperidinone ring adopts its usual twist–boat conformation. The crystal packing is stabilized by a three-dimensional network of C—H⋯O hydrogen bonds involving the nitroso and carbonyl O atoms. No signif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::45a122e1274e43340dcc759f1b537cfc
https://doi.org/10.1107/s1600536805021112
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10
Crystal Structure of 2,6-Bis(4-methylphenyl)-1-nitroso-3-phenyltetrahydro-4(1H)-piperidin-4-one
Autor: Subbu Perumal, Jerad Suresh, V. P. Alex Raja, Krishnan Ravikumar, S. Natarajan, R. V. Krishnakumar
Publikováno v: Scopus-Elsevier
In the title compound, C25H24N2O2, the piperidinone ring adopts its usual twist boat conformation. The crystal packing is stabilized by a three-dimensional network of C-H…O hydrogen bonds involving the carbonyl O atom. In addition, there is an intr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c314ea2ec285de24d65180b645c874dc
https://doi.org/10.2116/analscix.22.x223
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