[EN] BICYCLIC TETRAHYDROTHIAZEPINE DERIVATIVES [FR] DÉRIVÉS BICYCLIQUES DE TÉTRAHYDROTHIAZÉPINE
摘要:
The present invention provides new bicyclic tetrahydrothiazepine derivatives having the general formula (I) wherein R1, R2and R4are as defined herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.
[EN] METHOD FOR THE PREPARATION OF FUNCTIONALIZED TRIHALOMETHOXY SUBSTITUTED PYRIDINES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE PYRIDINES SUBSTITUÉES PAR UN RÉSIDU TRIHALOGÉNOMÉTHOXY FONCTIONNALISÉES
申请人:BAYER CROPSCIENCE AG
公开号:WO2010040461A1
公开(公告)日:2010-04-15
The present invention pertains to a process for the preparation of functionalized trihalomethoxypyridines of formula (I) comprising reacting hydroxypyridines with thiophosgene in the presence of a base; reacting the obtained chlorothionoformiates with elemental chlorine and finally converting trichloromethoxy pyridines to trihalomethoxy pyridines using a fluoride source.