Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Keshav C. Patel"'
Autor:
Divyesh R. Patel, Keshav C. Patel
Publikováno v:
Journal of Saudi Chemical Society, Vol 19, Iss 4, Pp 347-359 (2015)
A series of some new quinazolinone based MCT reactive dyes (7a–j) were successfully and easily synthesized by the coupling route of diazotized 3-{4-[4-amino-2, 6-difluorobenzyl]-3,5-difluorophenyl}-6-nitro-2-phenylquinazolin-4(3H)-one (4) with a di
Externí odkaz:
https://doaj.org/article/7282966385014a3cb4172269eb506fd7
Autor:
Yogesh M. Patel, Keshav C. Patel
Publikováno v:
Journal of Saudi Chemical Society, Vol 19, Iss 2, Pp 193-199 (2015)
An extensive characterization study on the novel series of synthesized sydnone, chalcone and pyrimidine is reported in this paper. A series of 3-(4-chlorophenyl)-4-{[4-(3-substitutedphenylacryloyl)phenyl]sulfamoyl}-sydnone and 3-(4-chlorophenyl)-4-[4
Externí odkaz:
https://doaj.org/article/62e488a852cd446f817d1e7056827c1b
Publikováno v:
Journal of Saudi Chemical Society, Vol 18, Iss 6, Pp 902-913 (2014)
Ten new monoazo disperse dyes (4a–j) have been synthesized by coupling of diazotized 2-amino-4-(2′,4′-dichlorophenyl)-1,3 thiazole (2) with various N-alkyl derivatives of substituted aniline (3a–j) and their dyeing performance on polyester fi
Externí odkaz:
https://doaj.org/article/0dab69b642fe4c6e9e56a20f8b85cf3f
Publikováno v:
Arabian Journal of Chemistry, Vol 9, Iss S1, Pp S161-S169 (2016)
A series of cold brand bisazo reactive dyes (4a–h) were obtained by the coupling of tetrazotised 4,4′-methylene-bis(2-methyl-5-nitro aniline) (2) with various cyanurated coupling components (3a–h) in good yield. Their dyeing performances as rea
Externí odkaz:
https://doaj.org/article/a55585b61486438cbd29bf34bb28248c
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 3, Iss 2, Pp 57-67 (2011)
Ten hot brand bisazo reactive dyes (D1 to D10) have been synthesized by coupling bis(diazotised), 4,4'-methylene bis(2,6-dichloroaniline) (A) with various 5-sulfo anthranilo cyanurated coupling components (R) and their dyeing performance as reactive
Externí odkaz:
https://doaj.org/article/8ccfbb87fa2f4129bedcf99ccd2279bf
Autor:
DIVYESH R. PATEL, KESHAV C. PATEL
Publikováno v:
Journal of the Serbian Chemical Society, Vol 76, Iss 2, Pp 177-188 (2011)
A series of new heterocyclic mono azo reactive dyes 7a–m were prepared by diazotization of 2-phenyl-3-{4’-[N-(4”-aminophenyl)carbamoyl]-phenyl}-quinazoline-4(3H)-one-6-sulphonic acid (3) and coupling with various cyanurated coupling components
Externí odkaz:
https://doaj.org/article/151a462f8339498f879a2311fae31508
Autor:
Keshav C. Patel, Himanshu D. Patel
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 1, Pp 113-118 (2011)
A novel series of compounds containing coumarinyl sydnone derivatives from 4-methyl-7-hydroxy-8-nitro coumarin were synthesized. The formed compounds have been evaluated by physical methods (melting point, thin layer chromatography, elemental analysi
Externí odkaz:
https://doaj.org/article/7c07fa8e87fc459db339db610075230b
Autor:
Shahrukh T. Asundaria, Keshav C. Patel
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 1, Iss 4, Pp 296-305 (2010)
3,3’-(4,4’-Diphenyl)bissydnonyl methane (5) was synthesized and subjected to chlorosulfonation followed by amination resulted in to formation of 3,3’-(methylenedi-1,4-phenylene)bis[4-{(4-substituted-amino)sulfonyl} sydnone (7a-j). The structure
Externí odkaz:
https://doaj.org/article/e2d5906929fb46609d7340ef6a71c377
Autor:
Shahrukh T. Asundaria, Keshav C. Patel
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 1, Iss 4, Pp 296-305 (2009)
3,3’-(4,4’-Diphenyl)bissydnonyl methane (5) was synthesized and subjected to chlorosulfonation followed by amination resulted in to formation of 3,3’-(methylenedi-1,4-phenylene)bis[4-{(4-substituted-amino)sulfonyl} sydnone (7a-j). The structure
Externí odkaz:
https://doaj.org/article/89895c4151e940328f7e10d7a1be5c5d
Publikováno v:
Materials Today: Proceedings. 51:1099-1106
A new series of monoazo reactive dyes (6a-6l) based on 1,3,5-trichloro-s-triazine and 4-(ethylsulfurate sulfonyl)aniline reactive groups were synthesized by reacting diazotised 3-(4-(4-amino-3-bromo benzyl)-2-phenyl quinazoline-4(3H)-one with various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8180e52384e5d9e29eb8212c088fe5a
https://doi.org/10.1016/j.matpr.2021.07.106
https://doi.org/10.1016/j.matpr.2021.07.106