Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Patel Ranjan G."'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 8, Pp 983-991 (2012)
A series of pyrano[2,3-c]pyrazole derivatives of indole has been synthesized by multi-component reaction using conventional and microwave irradiation approach. Particularly valuable features of this method include high yield, broad substrate scope, s
Externí odkaz:
https://doaj.org/article/9e17a298aeb1485ea907fc71072d8748
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 9, Pp 1165-1174 (2012)
A new series of 4H-chromene derivatives 4(a-p) bearing 5-phenoxypyrazole nucleus has been synthesized under microwave irradiation by reaction of 5-phenoxypyrazole-4-carbaldehyde 1(a-h), malononitrile 2 and compounds (Cyclohexanedione, Dimedon) 3(a-b)
Externí odkaz:
https://doaj.org/article/b638f716d4cc4177856d2f293c688e04
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 3, Pp 279-286 (2012)
A simple and efficient method has been developed for the synthesis of some novel biquinoline derivatives bearing a thiazole moiety through a onepot three-component condensation of 2-chlro-3-formylquinolines, ethyl cyanoacetate and β-enaminone using
Externí odkaz:
https://doaj.org/article/9b0143ec4ab244e08f15e4b2f8a5ed14
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 11, Pp 1039-1044 (2007)
New quinazolinone-substituted fluoran compounds were synthesized by reaction of keto acid, 2’-carboxy-2-hydroxy-4-N-pyrrolidinylbenzophenone with different quinazolinone derivatives in the presence of conc. sulphuric acid. All the synthesized fluor
Externí odkaz:
https://doaj.org/article/b5694974aa6f4d06a98ef3007bc7bbfa
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 10, Pp 1015-1023 (2006)
Anthranilic acid was reacted with various substituted 6-bromoquinazolinones in the presence of Cu-powder and anhydrous potassium carbonate in DMF to give acid intermediates (Ullmann Type-II condensation). All these acids were then cyclized in phospho
Externí odkaz:
https://doaj.org/article/a9c768a04d524ddba1b13a9f64039b78
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 5, Pp 327-333 (2004)
Chromogenic fluoran compounds containing 4-ketoquinazolinone were synthesized by reacting 2-(4-diethylamino-2-hydroxybenzoyl)benzoic acid with various substituted 4-ketoquinazolinones in the presence of sulfuric acid. The 4-ketoquinazolinones were ob
Externí odkaz:
https://doaj.org/article/a024f43abb564fd2a12cbe27959d2a7f
Publikováno v:
Journal of the Serbian Chemical Society, Vol 67, Iss 11, Pp 719-726 (2002)
A series of new heterocyclic disperse dyes has been prepared by subsequent diazotization of 2-methyl-3-[3’-aminophthalimido]-4(3H)-quinazolinone and coupling with various mono- and di-N-substituted derivatives of aniline. All the disperse dyes were
Externí odkaz:
https://doaj.org/article/d31bc9e1cf09464986a64711c291d43d
Publikováno v:
Journal of the Serbian Chemical Society, Vol 67, Iss 11, Pp 727-734 (2002)
A new fused heterocyclic compound, 11-amino-13H-acenaphtho[1,2-e]pyridazino [3,2-b]quinazolin-13-one was synthesized and used to prepare a novel series of heterocyclic mono azo dyes by coupling with various naphthols. All the mono azo dyes were chara
Externí odkaz:
https://doaj.org/article/ef39df40cdda4ac7a2ba2cb961737fed
Publikováno v:
In European Journal of Medicinal Chemistry August 2012 54:239-247
Publikováno v:
In European Journal of Medicinal Chemistry 2011 46(9):4192-4200