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Cyclopropanringöffnung an 3α,5‐Cyclo‐Steroid‐Kohlenwasserstoffen
Author(s) -
Brunke ErnstJoachim
Publication year - 1979
Publication title -
chemische berichte
Language(s) - German
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19791120511
Subject(s) - chemistry , cyclopropane , regioselectivity , chloroform , cleavage (geology) , medicinal chemistry , steroid , chloride , organic chemistry , stereochemistry , ring (chemistry) , catalysis , biochemistry , geotechnical engineering , fracture (geology) , hormone , engineering
An den 3α,5‐Cyclo‐Steroiden 4a–c erfolgt unter Einwirkung von gasförmigem Chlorwasserstoff in Chloroform bei −60°C Cyclopropanringöffnung unter stereoselektiver Bildung der Chloride 5a–c , die durch basisches Aluminiumoxid zu den 3‐Methyl‐A‐nor‐Derivaten 6a–c dehydrohalogeniert werden.

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