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The molecular structure of a 6-thiaestrogen1

✍ Scribed by H. Schenk; W.M.B. Könst; W.N. Speckamp; H.O. Huisman

Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
219 KB
Volume
11
Category
Article
ISSN
0040-4039

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✦ Synopsis

The remarkable result of the Ed-hydrogenation ofA8.9-6-thiaestrogen J-3 as compared with the analogous reaction4 of the corresponding carbocyclic steroids is of prime importance in the total synthesis of all-trans-6-thiaestrone. Formation of both aa, ga-H as well as 8S-98-H products was shown to occur, the latter isomer not being observed generally in this type of redUCtion.

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The molecular structure of 1,6-methano[1
The molecular structure of 1,6-methano[10]annulen-11-one
✍ Shô Itô; Yoshimasa Fukazawa 📂 Article 📅 1974 🏛 Elsevier Science 🌐 French ⚖ 182 KB

In the previous paper (1) we have described a two-step synthesis of 1,6-methanaCl0lannulen-1 l-one from tropone. This compound, having the p-orbital of the carbonyl group .approximately perpendicular to the peripheral IOn-electron system, failed to exhibit appreciable n-n interaction between them. W