𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Photochemische Reaktionen. 66. Mitteilung. UV.-Bestrahlung von 11-Oxo-Steroiden IV Neuartige Photoisomerisierung von 3,20-Di-äthylendioxy-11-oxo-δ14-5α-pregnen

✍ Scribed by P. Gull; H. Wehrli; O. Jeger

Publisher
John Wiley and Sons
Year
1971
Tongue
German
Weight
619 KB
Volume
54
Category
Article
ISSN
0018-019X

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Photochemische Reaktionen. 76.Mitteilung
Photochemische Reaktionen. 76.Mitteilung [1]. UV.-Bestrahlung von 11-Oxo-Steroiden V Die Photoisomerisierung von 3,20-Diäthylendioxy-5α,14β,17α-pregnan
✍ Peter Gull; Yoshihisa Saito; Hansuli Wehrli; Oskar Jeger 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 German ⚖ 701 KB

## Abstract The UV.‐isomerisation of 11‐oxo‐14β,17α‐pregnane **9** to the 11,19‐cyclo‐derivative **11** is described. In addition the Pb(OAc)~4~‐fragmentation of photoproduct **11** was investigated. **11** yielded besides the expected 11‐oxo‐19‐hydroxy‐pregnane **18** the novel 9,11‐seco‐11,19‐cyc