𝔖 Bobbio Scriptorium
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9. Regional- and stereo-specific synthesis of 11β-substituted 19-nor-steroids

✍ Scribed by G. Teutsch; A. Belanger; D. Philibert

Book ID
116001047
Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
97 KB
Volume
9
Category
Article
ISSN
0022-4731

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## Abstract Cationic cyclization of 2‐[6‐(3‐methoxyphenyl)‐(Z)‐3‐hexenyl]‐3‐methyl‐2‐cyclopentenol (7a) produced 1‐ and 3‐methoxy‐17‐methyl‐8α‐gona‐1,3,5(10),13(17)‐tetraene (**8a** and **9a**) with complete stereospecificity. Cyclization of similar substrates with an alkyl substituent in the appro