Zobrazeno 1 - 10
of 75
pro vyhledávání: '"K. R. Desai"'
Publikováno v:
ARKIVOC, Vol 2008, Iss 15, Pp 262-279 (2008)
Externí odkaz:
https://doaj.org/article/2925c0f37ff9454485ce33a3a6c25835
Publikováno v:
E-Journal of Chemistry, Vol 3, Iss 2, Pp 97-102 (2006)
2–alkyl–6–bromo–3,1–benzoxazine–4–one (2) is synthesized by treating p–Bromoanthranilic acid and Acetylechoride or Benzoylchloride. Reaction of 2–alkyl–6–bromo–3,1–benzoxazine–4–one (2). with hydrazinehydrate furnish the
Externí odkaz:
https://doaj.org/article/acec0881641e43a4b63b4205574930d8
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 2, Pp 101-108 (2005)
Several 2-[2-{(4-substitutedbenzylidene)-phenyl}vinyl]-4-oxo-3,4-dihydroquinazolone-6-sulfonicacid 4(a-l) and 2-[2-{4-(3-chloro-4-substituedphenyl-azetidin-2-one)-phenyl}vinyl]-4-oxo-3,4-dihydroqui-nazolone-6-sulfonic acid 5(a-l) were synthesized by
Externí odkaz:
https://doaj.org/article/39f623a36e30455c964a5dc9e515ebb0
Autor:
Rakesh N. Mistry, K. R. Desai
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 1, Pp 42-51 (2005)
p - Methyl benzoic acid on reaction with phosphorus pentachloride gives p - methyl benzoyl chloride derivative which on condensation with glycine gives p - methyl benzoyl glycine derivative. Now, this p - methyl benzoyl glycine derivative on condensa
Externí odkaz:
https://doaj.org/article/138e15692a1f4de09152fe42c6fec615
Autor:
Ketan Mistry, K. R. Desai
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 2, Pp 152-156 (2005)
Pyrimidine-2-one derivatives, 2-[2-{1ʹ-(p-nitrophenyl)-6ʹ-(substituted-phenyl)-pyrimidine-2ʹ-one-4ʹ-yl}-hydrazinomethyl]-3-(p-methoxy phenyl)-quina-zoline-4(3H)-one [4a-j] have been synthesised by the condensation of p-nitro phenylurea and variou
Externí odkaz:
https://doaj.org/article/a08c46d7037443dd96eea0725f8f8de6
Autor:
Rakesh N. Mistry, K. R. Desai
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 1, Pp 30-41 (2005)
1, 2 - Dichloro benzene on chlorosulphonation by chlorosulphonic acid gives 1, 2 - [dichloro] - benzene sulphonyl chloride which on condensation with p –amino acetophenone gives 1-[acetyl] - 1’ , 2’ - [dichloro] - dibenz sulphonamide derivative
Externí odkaz:
https://doaj.org/article/74eb6a1ce25a4b53b6887d0a775849d6
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 1, Pp 1-5 (2005)
Several 3-(4'-nitrophenyl)-4-(4"-chloro benzamido)-5-substituted phenyl)-4H-1,2,4-triazole (3a-3e) and 3-(4'-nitrophenyl)-4-(4"-methyl benzenesulphonamido)-5-substituted phenyl)-4H-1,2,4-triazole (4a-4e) have been synthesised. Representative compound
Externí odkaz:
https://doaj.org/article/c06be10188394167bc7a04e86bcd5ee3
Autor:
V. M. Patel, K. R. Desai
Publikováno v:
ARKIVOC, Vol 2004, Iss 1, Pp 123-129 (2004)
Externí odkaz:
https://doaj.org/article/0d8924a10bab4f838c5ffcb92277a751
Autor:
B. D. Naik, K. R. Desai
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 5, Pp 263-266 (2004)
As a target to synthesize various Thiazolidinone derivatives, 2-Amino-4-(coumarin-3-yl)-thiazole has been prepared by the reactions of 3-Bromo acetyl coumarin with thiourea. 3-Bromo acetyl coumarin was prepared from 3-Acetyl coumarin. The resulting c
Externí odkaz:
https://doaj.org/article/9b63c628a3544d43a5aaf824acf869a9
Autor:
J. P. Raval, K. R. Desai
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 5, Pp 211-215 (2004)
Several 3 – phenyl – 4 [4-(m – nitrophenyl) – N – 2 - (2’-arylureido /arylthioureido - 4’- N -morpholino-s-triazin)-benzo-(6,7)-coumarins were prepared using 2-(m–nitrophenyl)-3-hydroxy naphthalene, cyanuric chloride, morpholine and v
Externí odkaz:
https://doaj.org/article/ffe41e5b58b14687a7053c0cb054f920