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Über Reaktionen von Alkoxyradikalen. Epimerisierungen in der Steroidreihe. Über Steroide, 194. Mitteilung
Author(s) -
Heusler K.,
Kalvoda J.,
Anner G.,
Wettstein A.
Publication year - 1963
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19630460136
Subject(s) - chemistry , radical , carbon atom , yield (engineering) , medicinal chemistry , hydrogen atom , carbon fibers , cleavage (geology) , hydrogen , group (periodic table) , organic chemistry , ring (chemistry) , materials science , geotechnical engineering , fracture (geology) , composite number , engineering , metallurgy , composite material
The lead ester formed from steroidal alcohols with lead tetraacetate are thermally decomposed to oxy radicals which can either form tetrahydrofurane derivatives by direct attack on a hydrogen atom at δ‐carbon atom or, by cleavage of the α,β‐carbon bond, give rise to a carbonyl group and a carbon radical. The latter reaction is shown to be reversible in certain cases and the recyclisation can yield oxy radicals epimeric at one or both of the α and β carbon atoms.
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