SYNTHESIS, X-RAY STRUCTURE AND CHEMICAL-PROPERTIES OF 17-ALPHA-FERROCENYLESTRADIOL

被引:19
|
作者
VICHARD, D
GRUSELLE, M
JAOUEN, G
NEFEDOVA, MN
MAMEDYAROVA, IA
SOKOLOV, VI
VAISSERMANN, J
机构
[1] ECOLE NATL SUPER CHIM, CHIM ORGANOMET LAB, CNRS, URA 403, F-75231 PARIS 05, FRANCE
[2] RUSSIAN ACAD SCI, INST ORGANOELEMENT CPDS, ORGANOMET CHEM LAB, MOSCOW 117813, RUSSIA
[3] UNIV PARIS 06, CHIM MET TRANSIT LAB, CNRS, URA 419, F-75252 PARIS 05, FRANCE
关键词
IRON; FERROCENE; X-RAY STRUCTURE; ESTRADIOL DERIVATIVE; STEROID; ORGANOMETALLIC;
D O I
10.1016/0022-328X(94)87177-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The X-ray structure of 17 alpha-ferrocenylestradiol 1a shows that the ferrocenyl group is at the alpha position of the steroid, below the plane of the D ring. From acidic medium it is possible to obtain and isolate the derivative with a carbenium ion in 17-alpha position. This ion is transformed by various nucleophiles into the corresponding olefin 3 with -C=C- at the C16-C17 position. With NaBH4 in acidic medium the reduction leads to a mixture of 17 alpha- and 17 beta-ferrocenyl C19H26O 4a, 4b with a predominance of the beta product, owing to a more favourable entrance of hydride in the alpha position. The oxidized derivative 17 alpha-ferriciniumyl-estradiol tetrafluoroborate 5 was prepared and its are properties described.
引用
收藏
页码:1 / 8
页数:8
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