Process for the preparation of thioalkylamine derivatives
申请人:Bayer CropScience AG
公开号:EP1511724B1
公开(公告)日:2014-04-30
US7235668B2
申请人:——
公开号:US7235668B2
公开(公告)日:2007-06-26
[EN] PROCESS FOR THE PREPARATION OF THIOALKYLAMINE DERIVATIVES<br/>[FR] PROCEDE DE PREPARATION DE DERIVES DE THIOALKYLAMINE
申请人:BAYER CROPSCIENCE AG
公开号:WO2003099777A1
公开(公告)日:2003-12-04
The present invention relates to a novel process for the preparation of compounds of the formula (I) (I)by reacting in a first step amino alcohols of the formula (II) (II)with oleum to give sulphuric acid esters of the general formula (III) (III)and by reacting these sulphuric acid esters in a second step with mercaptans or salts thereof of the general formula (IV) (IV)in each formula, where applicable, R1, R2, R3, R4, R5, R6, R, n and M have the meanings given in the description,in the presence of a diluent and in the presence of a base.