A compound of general formula (I): ##STR1## where A, X, R.sub.1, Y, n and Ar are defined in the description. Medicinal products containing the same are useful as D.sub.4 receptor Ligands.
Nouveaux dérivés aminométhyl hétérocycliques, leur procédé de préparation et les compositions pharmaceutiques qui les contiennent
申请人:ADIR ET COMPAGNIE
公开号:EP0841330B1
公开(公告)日:2001-06-27
US5919784A
申请人:——
公开号:US5919784A
公开(公告)日:1999-07-06
SYNTHESIS OF 6-CHLOROMETHYL BENZOTHIAZOLIN-2-ONE AND OF 6-CHLOROMETHYL BENZOXAZOLIN-2-ONE
作者:Pascal Carato、Saïd Yous、Patrick Depreux
DOI:10.1080/00304940009356748
日期:2000.2
As part of our study of potential atypical antipsychotic agents,] the synthesis of 3-methyl-6chloromethyl benzothiazolin-Zone (4a) and benzoxazolin-Zone (4b) previously prepared by Carato et al., I was reported as shown in Scheme 1. The 3-methyl derivatives (la and lb) were formylated using hexamethylenetetramine in polyphosphoric acid (PPA),2.3 to give compounds 2a and 2b which were then reduced to