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公开(公告)号:US5959111A
公开(公告)日:1999-09-28
申请号:US79331
申请日:1998-05-14
申请人: Christian T. Goralski , Sandra K Stolz-Dunn , James E. Hitt , David H. Louks , Brian D. Scherzer , Mark A. Nitz
发明人: Christian T. Goralski , Sandra K Stolz-Dunn , James E. Hitt , David H. Louks , Brian D. Scherzer , Mark A. Nitz
IPC分类号: C07D471/04
CPC分类号: C07D471/04
摘要: The present invention relates to a process for preparing a compound of formula (I): ##STR1## wherein R is C.sub.1 -C.sub.10 alkyl, phenyl or substituted phenyl, comprising treating a compound of formula (II): ##STR2## with bis(tributyltin) oxide in an organic solvent selected from the group consisting of o-xylene, m-xylene, p-xylene and mixed xylenes;and subsequently treating the reaction mixture with a compound of formula (III): ##STR3## wherein X is halogen and R is defined as above.
摘要翻译: 本发明涉及制备式(I)化合物的方法:其中R是C 1 -C 10烷基,苯基或取代的苯基,包括用有机溶剂中的双(三丁基锡)氧化物处理式(II)化合物: 选自邻二甲苯,间二甲苯,对二甲苯和混合二甲苯; 并随后用式(III)化合物处理反应混合物:其中X是卤素,R如上定义。