[EN] AN IMPROVED PROCESS FOR PREPARATION OF PURE ALDOXIME<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ALDOXIME PUR
申请人:DR SILVIU PHARMACHEM PVT LTD
公开号:WO2021117053A1
公开(公告)日:2021-06-17
The present invention relates to an improved process for preparing aldoximes of formula (I) with high purity and high yield. The improved process for preparing aldoxime is fast, simple, highly efficient, and reproducible. The improved process for the preparation of aldoxime, which is synthesized in the higher yield under oximation reaction of aldehyde with hydroxylamine hydrochloride merely in aqueous medium using of in situ heat generation.
The present invention relates to compounds of formula I:
or a pharmaceutically acceptable salt or mixtures thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease.
The present invention relates to compounds of formula I:
or a pharmaceutically acceptable salt or mixtures thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease.
Spirocyclic inhibitors of serine proteases for the treatment of hcv infections
申请人:VERTEX PHARMACEUTICALS INCORPORATED
公开号:EP2631238A1
公开(公告)日:2013-08-28
The present invention relates to compounds of formula (I): or a pharmaceutically acceptable salt thereof. These compounds inhibit serine protease, particularly the hepatitis C virus NS3-NS4A protease.