Synthesis of potential pregnenolone and progesterone spin probes for biomembranes and immunoassays

被引:12
作者
Katoch, R [1 ]
Korde, SS [1 ]
Deodhar, KD [1 ]
Trivedi, GK [1 ]
机构
[1] Indian Inst Technol, Dept Chem, Bombay 400076, Maharashtra, India
关键词
D O I
10.1016/S0040-4020(98)01187-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The synthesis and characterization of four new steroidal spin labels, viz., 3'-[[(pregn-5-en-3 beta-ol-20S-yl)methyl]oate]- 2',2',5',5'-tetramethylpyrrolidine-1'-oxyl,3'-[[(pregn-4-en-3- one-20S-yl)methyl]oate]-2',2',5'.5'-tetra methyl pyrrolidine-1'-oxyl, 3 "[(3 beta-acetoxypregn-5-en-20-one-16 alpha-yl)prop-2'xi-ol-3'xi-oate]-2 ",2 ",5 ",5 "-tetramethyl pyrrolidine-1 "-oxyl and 3 "-[(pregn-5-en-3,20-dione-16 alpha-yl)prop-2'xi-ol-3'xi-oate]-2',2',5',5'-tetramethylpyrrolidine-1'-oxyl has been described which involves functionalization of the parent hormone at C-20 and C-16. The key step to all the products was the condensation of 3-carboxyproxyl with the derivatized synthons. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1741 / 1754
页数:14
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