Direct transformation of steroidal ethers into ketones by dimethyldioxirane
作者:Fanie R. van Heerden、John T. Dixon、Cedric W. Holzapfel
DOI:10.1016/s0040-4039(00)60199-5
日期:1992.11
Treatment of the methyl- and benzyl ethers of 3-hydroxy steroids with a solution of dimethyldioxirane resulted in the formation of the corresponding ketones in high yield.
用二甲基二环氧乙烷溶液处理3-羟基类固醇的甲基和苄基醚导致高产率地形成相应的酮。
Consecutive Approach to Alkenes that Combines Radical Addition of Phosphorus Hydrides with Horner−Wadsworth−Emmons-Type Reactions
作者:Mark P. Healy、Andrew F. Parsons、James G. T. Rawlinson
DOI:10.1021/ol050292e
日期:2005.4.14
the phosphonothioate and reaction with a ketone, offers a concise one-pot approach to substituted alkenes. This novel method, which can incorporate alkylation or acylation steps, can be applied to the stereoselective formation of sterically hindered tri- and tetrasubstituted alkenes.
Calcium in liquid ammonia for the reduction of benzyl ethers. Mechanistic clues derived from chemoselectivity studies
作者:Jih Ru Hwu、Vincent Chua、Jean E. Schroeder、Richard E. Barrans、Kevin P. Khoudary、Naelong Wang、John M. Wetzel
DOI:10.1021/jo00374a048
日期:1986.11
US5175154A
申请人:——
公开号:US5175154A
公开(公告)日:1992-12-29
3BÉTA-(BENZYLOXY)-17ALPHA-METHYL-PREGN-5-EN-20-ONE FOR USE IN THE TREATMENT OF COGNITIVE DISORDERS
申请人:Aelis Farma
公开号:EP3669876A1
公开(公告)日:2020-06-24
The present invention generally relates to a specific pregnenolone derivative for its use for the treatment of a cognitive disorders.
More particularly, the invention relates to a compound of Formula (I)
for its use in the treatment of cognitive disorders.
Indeed, the compound of the invention is in vivo very potent in correcting the cognitive impairments observed in cognitive disorders.