Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Velu, Saravanan"'
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
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 12, Pp 1739-1743 (2016)
The title compounds, C30H18N2O5S, (I), and C27H18N2O4S2, (II), are carbazole derivatives with a phenylsulfonyl group and a nitrophenyl group attached to the carbazole moiety in identical positions in both molecules. A benzofuran ring system in (I) an
Externí odkaz:
https://doaj.org/article/34df4f58527242498edcd4fc914e21b6
Autor:
Rajeswari Gangadharan, P. Narayanan, K. Sethusankar, Velu Saravanan, Arasambattu K. Mohanakrishnan
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 12, Pp 1744-1750 (2016)
The three title compounds, C26H19NO3S, (1), C27H20N2O8S, (2), and C30H19NO3S, (3), are carbazole derivatives, where (1) and (3) are heterocycle-containing carbazoles with a benzofuran moiety fused to a carbazole unit. In (2), a dimethoxynitrophenyl r
Externí odkaz:
https://doaj.org/article/7b67c36eca7c4020bad51e30a0169232
Publikováno v:
The Journal of Organic Chemistry. 86:1925-1937
One-pot synthesis of 3,4-benzo[c]-β-carbolines was achieved from 2-aryl(tosylamino)methyl-3-bromoindoles via 10 mol % Pd(OAc)2/PPh3-mediated intramolecular Heck coupling using K2CO3 as a base in DMF at 110 °C with concomitant aromatization through
Publikováno v:
Asian Journal of Chemistry. 31:3017-3028
Carbazole derivatives are important compounds from medicinal point of view because of their widespread biological significance. In the present work two compounds 7-(4-chlorophenyl)-5-methyl- 12-(phenylsulfonyl)-12H-naphtho[1,2-b]carbazole (I) and 7-e
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 6, Pp o707-o708 (2014)
In the title compound, C26H19BrN2O5S, the carbazole tricycle is essentially planar, with the largest deviation being 0.126 (3) Å for the C atom connected to the nitrophenyl group. The carbazole moiety is almost orthogonal to the benzene rings of the
Externí odkaz:
https://doaj.org/article/0482cee46b594cd3b16a21872da582af
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 4, Pp o424-o425 (2014)
In the title compound, C28H22N2O8S, the carbazole ring system is roughly planar, with a maximum deviation of 0.084 (3) Å for the C atom connected to the 4,5-dimethoxy-2-nitrophenyl ring. The dihedral angle between the carbazole system and the dimeth
Externí odkaz:
https://doaj.org/article/5e8f7111c4aa47e2b99c945b247ae4a5
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 3, Pp o273-o274 (2014)
In the title compound, C25H15FN2O6S, the carbazole ring system is essentially planar, with a maximum deviation of 0.1534 (16) Å for the C atom connected to the 4-fluoro-2-nitrophenyl ring. It is almost orthogonal to the phenylsulfonyl and nitropheny
Externí odkaz:
https://doaj.org/article/a56883284dfa416fa5d826d56133482b
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 3, Pp o336-o337 (2014)
In the title compound, C28H24N2O7S, the carbazole system is essentially planar, with a maximum deviation of 0.0644 (19) Å for the C atom connected to the 4,5-dimethoxy-2-nitrophenyl group. The dihedral angle between the carbazole moiety and the dime
Externí odkaz:
https://doaj.org/article/f9f24024cd5a409fa1d1fa0ffecf25c6
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 2, Pp o230-o231 (2014)
In the sterically hindered title compound, C26H17ClN2O6S, the carbazole ring has a maximum deviation from planarity of 0.067 (4) Å for the C atom connected to the aldehyde group. The carbazole moiety forms a dihedral angle of 72.8 (1)° with the nit
Externí odkaz:
https://doaj.org/article/9d0e2c444c8b497f9478050e5c615d24