- METHODOLOGY TO ACCESS TETRAHYDRODIPYRIDOIMIDAZOLE DERIVATIVES
[作者:EL BOUSMAQUI MOHAMED; DONNIERMARECHAL MARION; LARCHANCHE PAULEMMANUEL; MELNYK PATRICIA; CARATO PASCAL,期刊:Heterocycles, 页码:2135-2145 , 文章类型: Article,,卷期:2012年85-9]
- While the synthesis of beta and gamma-carboline derivatives were well described in the literature, the preparation of their aza-analogs such as tetrahydrodipyridoimidazole derivatives were less explored. In our laborator...
- MICROWAVE-ASSISTED SYNTHESIS OF 3,1-BENZOXAZIN-2-ONES FROM 3-HYDROXYOXINDOLES
[作者:SUAREZCASTILLO OSCAR R; BAUTISTAHERNANDEZ CLAUDIA I; SANCHEZZAVALA MARICRUZ; MELENDEZRODRIGUEZ MYRIAM; SIERRAZENTENO ARACELI; MORALESRIOS MARTHA S; JOSEPHNATHAN PEDRO,期刊:Heterocycles, 页码:2147-2171 , 文章类型: Article,,卷期:2012年85-9]
- A general protocol for the synthesis of 3,1-benzoxazin-2-ones 18 from 3-hydroxyoxindoles 16 in a two steps sequence through phenylsuccinates or phenylpropionates 17 is described. Best reaction conditions for ring opening...
- DIRECT HALOGENATION REACTIONS IN 2,3-DIHYDRO-4(1H)-QUINAZOLINONES
[作者:CABRERARIVERA FANNY A; ORTIZNAVA CLAUDIA; ROMANBRAVO PERLA; LEYVA MARCO A; ESCALANTE JAIME,期刊:Heterocycles, 页码:2173-2195 , 文章类型: Article,,卷期:2012年85-9]
- Reaction of 2,3-dihydro-4(1H)-quinazolinones with NBS, Br-2/Et3N and NCS yields 6,8-Br/Cl-2,3-dihydro-4(1H)-quinazolinones with moderate to good yield. The method does not require a catalyst and offers extremely short re...
- REGIOSELECTIVE NITRO GROUP SUBSTITUTION. SYNTHESIS OF ISOMERIC 4-AMINO-5-NITRO- AND 5-AMINO-4-NITROIMIDAZOLES
[作者:ZAPRUTKO LUCJUSZ; ZWAWIAK JUSTYNA; OLENDER DOROTA; GZELLA ANDRZEJ,期刊:Heterocycles, 页码:2197-2211 , 文章类型: Article,,卷期:2012年85-9]
- On the basis of the reactions between 4,5-dinitroimidazole derivatives (1-methyl-4,5-dinitroimidazole, 1,2-dimethyl-4,5-dinitroimidazole and ethyl 2-(4,5-dinitroimidazol-1-yl)acetate) and cyclic amines (morpholine, piper...
- ENAMINONES AS BUILDING BLOCKS IN HETEROCYCLIC PREPARATIONS: SYNTHESIS OF NOVEL PYRAZOLES, PYRAZOLO[3,4-d]PYRIDAZINES, PYRAZOLO[1,5-a]PYRIMIDINES, PYRIDO[2,3-d]PYRIMIDINES LINKED TO IMIDAZO[2,1-b]THIAZOLE SYSTEM
[作者:GOMHA SOBHI M; ABDELAZIZ HATEM A,期刊:Heterocycles, 页码:2291-2303 , 文章类型: Article,,卷期:2012年85-9]
- The unreported 2-[E-3-(N,N-dimethylamino)acryloyl]-3-methyl-5,6-diphenylimidazo[2,1-b]thiazole 3 was prepared via the reaction of 2-acetyl-3-methyl-5,6-diphenylimidazo[2,1-b]thiazole 2 with dimethylformamide dimethyl ace...
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