𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthese des 4α et 4β-deuterio 3β, 17β-dihydroxy androsta-5-ene

✍ Scribed by Antoinette Viger; Suzy Coustal; Andrée Marquet


Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
511 KB
Volume
34
Category
Article
ISSN
0040-4020

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


17α-Ethynyl-17β-hydroxy­androsta-1,4-die
✍ Sheng, Liu-Qing ;Liang, Wan-Gen ;Chen, Gang ;Shen, Hua-Feng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 259 KB

In the title molecule, C~21~H~26~O~2~, there are two C=C bonds [1.321 (4) and 1.334 (4) Å], which contribute to the planarity of ring __A__ along with the carbonyl group. Rings __B__ and __C__ have regular chair conformations, while ring __D__ has an envelope conformation. In the crystal structure,

3α,4β-Di­hydroxy-5β-androstan-17-one
✍ Andrade, L. C. R. ;Paixão, J. A. ;Almeida, M. J. M. de ;Fernandes Roleira, F. M. 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 284 KB

The ring conformation of the title compound, C 19 H 30 O 3 , is similar to that of the 5-epimer except for the cis A/B ring junction. Ring D adopts a 13,14-half chair conformation. The molecules are linked together by a two-dimensional network of hydrogen bonds involving the carbonyl and hydroxyl gr

Stereoselektive synthese von 6β, 7β-meth
✍ Klaus Nickisch; Henry Laurent; Rudolf Wiechert 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 100 KB

A stereoselective synthesis of the highly active aldosterone antagonist prorenone (7) is described. 6R,7&Methylensteroide sind pharmakologisch in der Gestagen-1) und Antialdosteronreihe2) von groBem Interesse. Bisher sind zwei Methoden bekannt, 6B,7B\_Methylensteroide darzustellen. Einetseits die Um