Syntheses of methyl 4,5-dihydro-2H-pyrazolo[3,4-a]carbazole-3-carboxylates

被引:0
作者
Martin, Arputhari Ebenezer [1 ]
Prasad, Karnam Jayarampillai Rajendra [1 ]
机构
[1] Bharathiar Univ, Dept Chem, Coimbatore 641046, Tamil Nadu, India
来源
JOURNAL OF CHEMICAL RESEARCH-S | 2006年 / 07期
关键词
methyl 2-(1-oxo-2,3,4,9-tetrahydro-1H-carbazol-2-yl)-2-oxoacetate; (1,2,3,4-tetrahydrocarbazol-1-ylidene)-hydrazine; methyl 4,5-dihydro-2H-pyrazolo-[3,4-a]carbazole-3-carboxylate; hydrazine hydrate; semicarbazide hydrochloride; CARBAZOLE ALKALOIDS; HETEROCYCLES; DERIVATIVES; ISOMERS; ANALOGS;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The syntheses of methyl 4,5-dihydro-2H-pyrazolo[3,4-a]carbazole-3-carboxylates (4a-e) from 1-oxo-1,2,3,4-tetrahydrocarbazoles (la-e) using the intermediates, methyl 2-(1-oxo-2,3,4,9-tetrahydro-1H-carbazol-2-yl)-2-oxoacetates (3a-e) are discussed. The formation of the end products was characterised using spectral and analytical techniques.
引用
收藏
页码:473 / 477
页数:5
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