A series of tanshinone-type diterpenoids was prepared by ultrasound-promoted and Lewis acid catalyzed, highly regioselective cycloadditions of styrenes with substituted 1,4-benzoquinones as the key step.
[EN] METHOD FOR THE PREPARATION OF MEDETOMIDINE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE MÉDÉTOMIDINE
申请人:LONZA AG
公开号:WO2012172119A3
公开(公告)日:2013-04-04
[EN] 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL AND ITS USE AS PERFUME<br/>[FR] 2-(2,3-DIMÉTHYLPHÉNYL)-1-PROPANAL ET SON UTILISATION COMME PARFUM