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Stereoselective biomimetic total synthesis of 6.alpha.-methyl-19-norsteroids

โœ Scribed by Groen, Marinus B.; Zeelen, Filippus J.


Book ID
121403823
Publisher
American Chemical Society
Year
1978
Tongue
English
Weight
563 KB
Volume
43
Category
Article
ISSN
0022-3263

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Biomimetic total synthesis of steroids I
โœ M.B. Groen; F.J. Zeelen ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 406 KB

## Abstract The cationic cyclization of 2โ€[6โ€(__m__โ€methoxyphenyl)โ€(__E__)โ€3โ€hexenyl]โ€3,5โ€dimethylโ€2โ€cyclopentenol (**3**) was investigated. Exclusive formation of 1โ€ and 3โ€methoxyโ€15ฮฑ,17โ€dimethylโ€1,3,5(10), 13(17)โ€gonatetraene (**4** and **5**) was observed, indicating complete stereoselectivity i