𝔖 Bobbio Scriptorium
✦   LIBER   ✦

New synthetic route to 9α-hydroxy-4-androsten-3,17-dione

✍ Scribed by T. Uszycka-Horawa; M. Skibińska; W. Jakubowski


Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
299 KB
Volume
9
Category
Article
ISSN
0138-4988

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


A new synthetic route to 2-substituted n
✍ Jyunichi Koyanagi; Katsumi Yamamoto; Kouji Nakayama; Akira Tanaka 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 476 KB

## Abstract 4,9‐Dimethoxynaphtho[2,3‐__b__]furan 9 was obtained in 91% yield __via__ the reductive methylation of naphtho[2,3‐__b__]furan‐4,9‐dione 2. After treatment of 9 with butyllithium, the mixture was allowed to react with __N,N__‐dimethylacetamide, followed by oxidization with cerium(IV) dia

A new, short synthetic route to α-substi
✍ D.A. Kendrick; M. Kolb 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 340 KB

The title compounds are prepared in one step from ester enolates and 3,3,3-trifluoropropene. The a-substituted 5,5-difluoro-4-pentenoic acid esters are susceptible to a second deprotonation and, on reaction with an electrophile, give access to the a-disubstituted analogues.