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Benzo‐Annulated Steroids: Synthesis of Octahydro‐indeno‐phenanthrenes by Formal [3+3] Cyclocondensation Reaction with 1,3‐Bis[(trimethylsilyl)oxy]buta‐1,3‐dienes
Author(s) -
Erben Friedrich,
Specowius Verena,
Wölfling János,
Schneider Gyula,
Langer Peter
Publication year - 2013
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.201200242
Subject(s) - chemistry , phenanthrenes , trimethylsilyl , formal synthesis , stereochemistry , medicinal chemistry , organic chemistry , phenanthrene
Abstract Octahydro‐indeno‐phenanthrenes, benzo‐annulated steroids, were prepared by formal [3+3] cyclocondensation reaction of 1,3‐bis[(trimethylsilyl)oxy]buta‐1,3‐dienes with the silyl enol ether of 16‐formylestrone methyl ether.