5-Chloro-2-(4,4-difluorobutylthio)thiazole is prepared from 2-mercaptotriazole by a multistep process involving S-alkylation, chlorination and dehydrochlorination and is converted by oxidation to the corresponding sulfone which is useful as an agricultural nematicide.
[EN] PROCESS FOR THE PRODUCTION OF 5-CHLORO-2- (4,4-DIFLUOROBUT-3-ENYLSULPHONYL) THIAZOLE AND INTERMEDIATES THEREFOR<br/>[FR] PROCEDE SERVANT A PREPARER 5-CHLORO-2- (4,4-DIFLUOROBUT-3-ENYLSULFONYL) THIAZOLE ET INTERMEDIAIRES
申请人:ZENECA LIMITED
公开号:WO1998047884A1
公开(公告)日:1998-10-29
(EN) 5-Chloro-2-(4,4-difluorobutenylthio)thiazole (I) is prepared from 2-mercaptothiazole by a multistep process involving S-alkylation, chlorination and dehydrochlorination and is converted by oxidation to the corresponding sulfone which is useful as an agricultural nematicide.(FR) On prépare 5-chloro-2-(4,4-difluorobutenylthio)thiazole (I) à partir de 2-mercaptothiazole au moyen d'un procédé à étapes multiples comprenant S-alkylation, chloration et dehydrochloration, et on le convertit par oxydation en sulfone correspondant utile en tant que nématicide agricole.
5-氯基-2-(4,4-二氟乙基硫代)甲硫醇(I)是从2-甲基硫醇甲硫醇经过多步工艺(涉及S-亲核化、氯化和去氯化)制备而成的,然后经氧化为相应的砜,可用作农业类内酯。
(法语翻译略,此处为中文翻译结果:以下为法语原文,保持一致内容。)
5-chloro-2-(4,4-difluorobutenylthio)thiazole (I) est préparé à partir de 2-mercaptothiazole au moyen d'un procédé à étapes multiples comprenant S-alkylation, chloration et dehydrochlorination et est converti par oxidation en sulfone correspondant utile en tant que nématicide agricole.
(4,4-DIFLUOROBUT-3-ENYLTHIO)-SUBSTITUTED HETEROCYCLIC OR CARBOCYCLIC RING COMPOUNDS HAVING PESTICIDAL ACTIVITY
申请人:Syngenta Limited
公开号:EP0749433B1
公开(公告)日:2003-05-07
PROCESS FOR THE PRODUCTION OF 5-CHLORO-2- (4,4-DIFLUOROBUT-3-ENYLSULPHONYL) THIAZOLE AND INTERMEDIATES THEREFOR