Process and intermediates for the 6,7-alpha-epoxidation of steroid 4,6-dienes
申请人:NZP UK Limited
公开号:US10766921B2
公开(公告)日:2020-09-08
The invention relates to a process for preparing a compound of general formula (Ia): wherein R2, Y, R4 and R5 are as defined herein, wherein the epoxidation is conducted using an oxidant and methyltrioxorhenium as a catalyst (MeReO3). The invention also relates to certain compounds per se. The compounds are intermediates in the synthesis of synthetic bile acids.
ROBBE, Y.;FERNANDEZ, J. -P.;DUBIEF, R.;CHAPAT, J. -P.;SENTENAC-ROUMANOU, +, EUR. J. MED. CHEM.-CHIM. THER., 1982, 17, N 3, 235-243
作者:ROBBE, Y.、FERNANDEZ, J. -P.、DUBIEF, R.、CHAPAT, J. -P.、SENTENAC-ROUMANOU, +
DOI:——
日期:——
Process and Intermediates for the 6,7-Alpha-Epoxidation of Steroid 4,6-Dienes
申请人:NZP UK Limited
公开号:US20190309012A1
公开(公告)日:2019-10-10
The invention relates to a process for preparing a compound of general formula (Ia): wherein R
2
, Y, R
4
and R
5
are as defined herein, wherein the epoxidation is conducted using an oxidant and methyltrioxorhenium as a catalyst (MeReO3). The invention also relates to certain compounds per se. The compounds are intermediates in the synthesis of synthetic bile acids.
Robbe; Fernandez; Dubief, European Journal of Medicinal Chemistry, 1982, vol. 17, # 3, p. 235 - 243