Zobrazeno 1 - 10
of 36
pro vyhledávání: '"R. Joel Karunakaran"'
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 5, Pp o541-o542 (2014)
In the title compound, C30H31N3O2S, the fused pyrrolidine ring bearing three substituents adopts an envelope conformation with the C atom bearing the benzoyl group as the flap. The other fused pyrrolidine ring adopts a twisted conformation about one
Externí odkaz:
https://doaj.org/article/1a356eca7e5a45da9be2a9fbae98264d
Autor:
R. Sathiyapriya, R. Joel Karunakaran
Publikováno v:
E-Journal of Chemistry, Vol 6, Iss 4, Pp 1164-1166 (2009)
An efficient and rapid method have been found using benzyltriphenylphosphonium dichromate (PhCH2PPh3)2Cr2O7 as an oxidant along with molecular iodine for the iodination of aromatic compounds. Iodination of a wide variety of alkyl benzenes were done u
Externí odkaz:
https://doaj.org/article/c0c177874dc3413382a442103227ef3b
Autor:
R. Sathiyapriya, R. Joel Karunakaran
Publikováno v:
E-Journal of Chemistry, Vol 3, Iss 2, Pp 65-67 (2006)
An effective, eco-friendly method for iodination of arenes is presented. The reaction of activated aromatics with a mixture of sodium iodate and sodium sulphite in the presence of hydrochloric acid gives mono iodoarenes in high yields.
Externí odkaz:
https://doaj.org/article/38686fa83a6d4403b8b71c3db6df24a4
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1411-o1412 (2013)
There are two independent molecules in the asymmetric unit of the title compound, C19H16N2O5S, in which the thiazole rings make dihedral angles of 80.89 (11) and 84.81 (11)° with the pyrano[3,2-c]chromene ring systems. An intramolecular N—H...O hy
Externí odkaz:
https://doaj.org/article/4448eacf6c4243cda23d7a051812f249
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp o875-o876 (2012)
In the title compound, C19H14OS, the naphthothiophene moiety is almost planar except for the S atom of the five-membered ring, which is situated 0.047 (6) Å out of the C4 plane (with an r.m.s. deviation of fitted atoms = 0.0009 Å). The dihedral ang
Externí odkaz:
https://doaj.org/article/704e3668b14740079ab238e2993ea6e2
Autor:
S. Vasudhevan, R. Joel Karunakaran
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 12, Pp o3480-o3480 (2011)
In the title compound, C27H19NO2S, the naphthocarbazole unit is approximately planar (r.m.s. deviation = 0.002 Å) except for the N atom, which is displaced by 0.122 (1) Å out of the mean plane. The dihedral angle between the naphthocarbazole mean p
Externí odkaz:
https://doaj.org/article/17c50d6a00a34aa8a0b6ca24fb92d0b2
Autor:
R. Joel Karunakaran, D. Parthiban
Publikováno v:
Oriental Journal of Chemistry. 34:3004-3015
A simple, efficient procedure has been developed using N-cationic surfactant namely Benzethonium chloride (BzthCl, 10 mol%) as novel catalyst for the synthesis of 2,4,5-trisubstituted imidazoles by condensation of aldehyde, ammonium acetate and benzi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::419bee34448da3f6156532e805fe6bb3
https://doi.org/10.13005/ojc/340642
https://doi.org/10.13005/ojc/340642
Publikováno v:
International Research Journal of Pure and Applied Chemistry. 16:1-10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebe509668966861751a6ab63ac02fda1
https://doi.org/10.9734/irjpac/2018/40035
https://doi.org/10.9734/irjpac/2018/40035
Autor:
R. Joel Karunakaran, D. Parthiban
Publikováno v:
Asian Journal of Chemistry. 30:1659-1663
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1baff7463fc34a24588a453ef0b158a
https://doi.org/10.14233/ajchem.2018.21308
https://doi.org/10.14233/ajchem.2018.21308
Autor:
R. Joel Karunakaran, R. Shanthi
Publikováno v:
Asian Journal of Chemistry. 29:2299-2304
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::308f9e95b1e9eb472994d9114a01f131
https://doi.org/10.14233/ajchem.2017.20791
https://doi.org/10.14233/ajchem.2017.20791