Zobrazeno 1 - 10
of 331
pro vyhledávání: '"Arasambattu K, Mohanakrishnan"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 8, Pp 845-851 (2024)
Two new [1-(phenylsulfonyl)-1H-indol-2-yl]methanamine derivatives, namely, N-(3-methoxyphenyl)-N-{[1-(phenylsulfonyl)-1H-indol-2-yl]methyl}acetamide, C24H22N2O4S, (I), and N-(2,5-dimethoxyphenyl)-N-{[1-(phenylsulfonyl)-1H-indol-2-yl]methyl}benzenesul
Externí odkaz:
https://doaj.org/article/5d7524dcddeb41faae24527aba62c8f2
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 6, Pp 682-690 (2024)
Three new 1H-indole derivatives, namely, 2-(bromomethyl)-3-methyl-1-(phenylsulfonyl)-1H-indole, C16H14BrNO2S, (I), 2-[(E)-2-(2-bromo-5-methoxyphenyl)ethenyl]-3-methyl-1-(phenylsulfonyl)-1H-indole, C24H20BrNO3S, (II), and 2-[(E)-2-(2-bromophenyl)ethen
Externí odkaz:
https://doaj.org/article/60802967b10c474cb6b2e7211d77e651
Autor:
Nagaraj Achyuta, Somarathinam Kanagasabai, Pavunkumar Vinayagam, Arasambattu K. Mohanakrishnan, Namasivayam Gautham, Krishnasamy Gunasekaran
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 9, Pp 813-816 (2023)
The title indole derivative, C24H17Br3N2O6S, crystallizes with a partial occupancy [0.585 (4)] CHCl3 solvent molecule. The dihedral angles between the indole ring system and pendant nitrobenzodioxolane rings system and phenylsulfonyl ring are 4.81 (1
Externí odkaz:
https://doaj.org/article/eebecc1b57e649feae9302f0ea1e10b6
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 8, Pp 741-746 (2023)
In the title compounds, C22H16FNO2S2 (I) and C26H20FNO2S2 (II), the benzothiophene rings are essentially planar with maximum deviations of 0.009 (1) and 0.001 (1) Å for the carbon and sulfur atom in compounds I and II, respectively. In I, the thioph
Externí odkaz:
https://doaj.org/article/bf7c907817b44440b582ceecfbf28bd2
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 6, Pp 521-525 (2023)
In both of the title compounds, C26H19NO2S2, (I), and C25H19NO2S2, (II), the benzothiophene rings are essentially planar with maximum deviations of 0.026 (1) and −0.016 (1) Å for the carbon and sulfur atoms in compounds (I) and (II), respectively.
Externí odkaz:
https://doaj.org/article/2db7913db87341279262dba24b775b83
Publikováno v:
Acta Crystallographica Section E Crystallographic Communications. 78:1198-1203
The title compounds, C28H21FN2O7S (I) and C25H16N2O2S (II), are carbazole derivatives with a benzenesulfonyl group attached to the carbazole moiety at the N atom on both molecules. A fluoro-substituted nitrophenyl ring system in I and a fused isoquin
Autor:
Potharaju Raju, Thiyagarajan Mageshwaran, Bose Muthu Ramalingam, Arasambattu K. Mohanakrishnan
Publikováno v:
SynOpen, Vol 02, Iss 03, Pp 0246-0250 (2018)
Abstract A facile synthesis of 2,3-disubstituted carbazoles through electrocyclization of 2,3-divinylindoles using FeCl3 in DMF at reflux is reported. The methodology was found to be applicable for smooth transformation of 3-aryl-2-vinylindole as wel
Externí odkaz:
https://doaj.org/article/2f0e0071569848e0a4062ebc2097e198
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 10, Pp 1555-1559 (2017)
In the title indole derivatives, C22H16N2O5S, (I) and C20H15NO3S2, (II), the sulfonyl-bound phenyl rings are almost orthogonal to the indole ring system, subtending dihedral angles of 88.33 (10) and 87.58 (16)°, respectively. In both compounds, the
Externí odkaz:
https://doaj.org/article/f5b771b2515c4503add1ff1b474dba67
Autor:
S. Gopinath, P. Narayanan, K. Sethusankar, Jeyachandran Karunakaran, Meganathan Nandakumar, Arasambattu K. Mohanakrishnan
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 2, Pp 177-182 (2017)
In the title 1-oxo-1,2-dihydronaphthalene derivatives, C28H24O6, (I), C34H22O5S, (II), and C27H20O3S2, (III), the cyclohexa-1,3-diene rings of the 1,2-dihydronaphthalene ring systems adopt half-chair, boat and half-chair conformations, respectively.
Externí odkaz:
https://doaj.org/article/989957755fed4064b5a6deadb413b621
Autor:
Palani Manikandan, Rudrasenan Agneswaran, Vinayagam Pavunkumar, Arasambattu K. Mohanakrishnan
Publikováno v:
Organic Letters. 24:4502-4506
Heteroarylmethylenephosphorus ylides underwent Michael addition with alkynediones and alkynediesters, followed by intramolecular cyclization and elimination of triphenylphosphine oxide to afford 1,2-diaroylbenzenes and 1,2-alkoxycarbonylcarbo- and he