Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Divyesh R. 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
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, Shreyas A. Patel, Bhavesh M. Patel, Jignesh T. Bilimoriya, Kalpesh M. Mehta, Suban K. Sahoo, Divyesh R. Patel, Bhavesh S. Patel, Paresh S. Patel
Publikováno v:
Proceedings of the National Academy of Sciences, India Section A: Physical Sciences. 87:339-348
This paper is concerned with the synthesis and evaluation of some monoazo styryl quinazolinone based reactive dyes (9a–e). The dyeing performance of all the synthesized dyes on different fibres has been assessed. The spectral properties (IR, 1H-NMR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16764fc2199b973f5bec2249bd9a5437
https://doi.org/10.1007/s40010-017-0374-5
https://doi.org/10.1007/s40010-017-0374-5
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://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ca77112e22650fbc20e5a39868e576f
https://doi.org/10.1016/j.arabjc.2011.02.026
https://doi.org/10.1016/j.arabjc.2011.02.026
Autor:
Keshav C. Patel, Divyesh R. 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://explore.openaire.eu/search/publication?articleId=doi_dedup___::0af9bff2f8c4fd59c5ed2b0d17f1c2b9
http://www.sciencedirect.com/science/article/pii/S1319610312000324
http://www.sciencedirect.com/science/article/pii/S1319610312000324
Publikováno v:
Journal of Saudi Chemical Society, Vol 18, Iss 6, Pp 902-913 (2014)
3 Thiazole; Monoazo disperse dyes; Polyester fiber; Fastness properties Abstract Ten new monoazo disperse dyes (4a-j) have been synthesized by coupling of diazotized 2-amino-4-(2 0 ,4 0 -dichlorophenyl)-1,3 thiazole (2) with various N-alkyl derivativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88b75042be4f4dbb0427ceab8f1e8193
http://www.sciencedirect.com/science/article/pii/S1319610311002377
http://www.sciencedirect.com/science/article/pii/S1319610311002377
Publikováno v:
Journal of Saudi Chemical Society. 18(3):245-254
Novel bisazo dichloro- s -triazinyl (DCT) reactive dyes (5a–h) containing 1,3,4-oxadiazole molecule as a tetrazo component were synthesized and applied on silk, wool and cotton fibers by exhaust dyeing method. The structures of these dyes were conf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ec1b3a78f0302d16914ab7e30739a1f