SYNTHESIS OF AZASTEROIDS WITH PYRAZOLINE AND ISOXAZOLINE RINGS

被引：0
|
作者：
SIDDIQUI, AH
SATYANARAYANA, Y
SRINIVAS, M
RAJESHWAR, K
机构：
来源：
JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 1992年 / 69卷 / 12期
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
17-Oxo-5-androsten-3beta-yl acetate (1) on reaction with dimethyl oxalate afforded the glyoxalate, 16-carbomethoxycarbonyl-17-oxo-5-androsten-3beta-yl acetate (2) which on reaction with hydrazine hydrate, phenylhydraziene and hydroxyl amine hydrochloride gave the corresponding 3beta-acetoxy-5'-carbomethoxyandrost-5-en [17, 16-c] pyrazole (3), 3beta-acetoxy-5'-carbomethoxy-1'-phenylandrost-5-en (17, 16-c] pyrazole (4) and 3beta-acetoxy-3'-carbomethoxyandrost-5-en [17, 16-c] isoxazole (5).
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页码：846 / 848
页数：3
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