𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Steroid total synthesis. 11. (+)-Estr-4-ene-3,17-dione from a chiral lactone

✍ Scribed by Rosenberger, Michael; Borer, Rene; Saucy, Gabriel


Book ID
120408292
Publisher
American Chemical Society
Year
1978
Tongue
English
Weight
850 KB
Volume
43
Category
Article
ISSN
0022-3263

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Steroid Total Synthesis, Part VIII; (+)-
✍ M. Rosenberger; A. J. Duggan; R. Borer; R. Müller; G. Saucy 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 807 KB

von Hand eingestellt werden. Die gleiche Teniperaturprogrammiereinheit steht hiebei im Temperaturintervall von 25 bis 60" in Stufen von 1" Abstand zur Verfiigung. Ein sclbstcntwickelter Tcmperaturregler mit Differentialeingang sorgt dafiir, dass die Temperaturiiberhohung des Luftthermostaten gegenii

Steroid Total Synthesis, Part VII; (±)-e
✍ M. Rosenberger; A. J. Duggan; G. Saucy 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 502 KB

## Abstract An efficient and practical synthesis of the title compounds is described. The novel route is based on earlier results and uses (±)‐5‐hydroxy‐9,9‐__o__‐phenylenedioxy‐decanoic acid lactone as the starting material. The results demonstrate the usefulness of pyrocatechol for the protection

An Efficient Synthesis of 11β-(4-Aminoph
✍ Jens Geisler; Arwed Cleve; Michael Harre 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 94 KB

AbstractÐAn ef®cient synthesis has been developed affording 11b-(4-aminophenyl)spiro[estr-4-ene-17b,2 H (5 H H)-furan]-3,5 H -dione (2), main metabolite of antiprogestin (Z)-11b-[4-(dimethylamino)phenyl]-17b-hydroxy-17a-(3-hydroxyprop-1-enyl)estr-4-en-3-one (1), in an overall yield of 21%.