α,β -epoxyketone chemistry, II: reaction of HCl and HBr with steroidal 4β,5β-epoxy-3-ones
✍ Scribed by M. Neeman; J.S. O'Grodnick
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- French
- Weight
- 223 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
In Part I the reaction8 of HP with ateroldal a,p-epoxyketones were shown to occur reglospeoifically by two alternative modes, B or a*, depending upon the eolvent employed.3 In neat CHC13, two model compound8 48,5aepoxy-178~hydroxy-endrosten-3-one lb end 4r,5a-epoxy-178-hydroxy-androeten-
📜 SIMILAR VOLUMES
Chlorotitanium triisopropoxide-induced reaction of (x-4(20)-epoxy-5-hydroxytriacetyltsxicin 12 gave a 4-hydn)xymethylene-5-one'4 and a 4-hydroxy-4-chloromethylene $, while the corresponding 1~-4(20)-epoxide 3 gave a 3,8-cyclopropane 6 and a 6•8•5 ring system 7. Moreover, boron Irifluoride-induced re
## Abstract The steroid glucuronide conjugates of 16,16,17‐d~3~‐testosterone, epitestosterone, nandrolone (19‐nortestosterone), 16,16,17‐d~3~‐nortestosterone, methyltestosterone, metenolone, mesterolone, 5α‐androstane‐3α,17β‐diol, 2,2,3,4,4‐d~5~‐5α‐androstane‐3α,17β‐diol, 19‐nor‐5α‐androstane‐3α,17
An efficient procedure for the conversion of the steroid 4-en-3-one to the 5ct and 5[3 4-ketones is described. Structures are established by NMR analysis.
## Per-n Preee.