𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Photochemical rearrangement of steroidal and acylhydrazone (1)

✍ Scribed by Hiroshi Suginome; Tsutomu Uchida


Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
179 KB
Volume
14
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Photochemical Rearrangement of a Steroid
✍ María Jesús Caus; Antonio Cánovas; Juan-Julio Bonet 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 284 KB 👁 1 views

## Abstract The UV. irradiation of 17β‐acetoxy‐4α, 5α‐epoxy‐2‐oxaandrostan‐3‐one (**7**) yields 17β‐acetoxy‐2‐oxa‐10(5 → 4)__abeo__‐4ζ (H)‐androsta‐3,5‐dione (**11**). A non‐photochemical synthesis of **11**, proceeding in lower yield, is also described.

Photochemical reactions VII [1]. A ‘type
✍ Vicente Ferrer; José Gómez; Juan-Julio Bonet 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 German ⚖ 220 KB 👁 1 views

## Abstract The irradiation of 17 β‐hydroxy‐2‐oxa‐androst‐4‐en‐3‐one (**1**) yield a cyclopropane derivative **2**, which is the result of a rearrangement, formally analogous to the ‘type A rearrangement’ of the enones. Two other products, the dihydroxy compound **5** and the dimer **6**, have also

Rearrangement of steroidal epoxides and
✍ Herbert L. Holland; Jahangir 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 191 KB

The ethylene ketal of 5,6a-epoxycholestan-3-one is converted to a ketalised A~-6ct-01 on treatment with n-BuLi. However, the corresponding 6 epoxide undergoes opening of the ketal ring in the same reaction. Methyl-and n-butyl-

Thermal and photochemical rearrangements
✍ Keiji Kobayashi; Kiyoshi Mutai 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 238 KB

The thermal decomposition of 1,4-dithiin sulfoxides has been known for a Chem., 38, 2419 (1973); K. Praefcke and C. Weichsel, Liebign Ann., 333 (1980), and references cited therein.