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Addition of dimethyloxosulfonium methylide to steroidal 4,6-dien-3-ones: Steric effects on the formation of the 6,7-methylene group

✍ Scribed by G.E. Arth; G.F. Reynolds; G.H. Rasmusson; A. Chen; A.A. Patchett

Book ID: 104234526
Publisher: Elsevier Science
Year: 1974
Tongue: French
Weight: 203 KB
Volume: 15
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)82196-1

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## Abstract The nature of the reactions involved in the synthesis of 3‐cyclopentyloxy‐19‐nor‐17α‐pregna‐3, 5‐dien‐20‐yn‐17‐ol‐7‐^3^H 17‐acetate, allowed the determination of the stereochemistry of the tritium atoms at C‐6 in some of the precursors. One of these precursors was estra‐1, 3, 5 (6)‐trie