发明名称 |
Process for the preparation of trifluoromethylvinyl derivatives from the corresponding halovinyl derivatives. |
摘要 |
The invention relates to a process for the preparation of the products of formula I: …<IMAGE>… in all their possible stereoisomeric forms as well as the mixtures of these stereoisomers, in which formula R represents the residue of an alcohol used in the pyrethrinoid series or the residue of an alcohol capable of blocking the acid function, and Z represents an electron-attracting group, characterised in that a product of formula (II): …<IMAGE>… in all their possible stereoisomeric forms as well as the mixtures of these stereoisomers, in which formula Z and R retain their meaning given above and Hal represents a bromine, chlorine or iodine atom, is subjected to the action of sodium trifluoroacetate in the presence of cuprous iodide. …<??>The compounds thus prepared possess advantageous properties as pesticides and in parasite control. |
申请公布号 |
EP0335801(A2) |
申请公布日期 |
1989.10.04 |
申请号 |
EP19890400887 |
申请日期 |
1989.03.30 |
申请人 |
ROUSSEL-UCLAF |
发明人 |
BONIN, WERNER;DEMOUTE, JEAN-PIERRE;TESSIER, JEAN |
分类号 |
C07D209/48;A01N53/00;A01N53/02;A23K1/16;B01J27/122;C07B37/04;C07B61/00;C07C67/343;C07C69/743;C07C235/06;C07C253/30;C07C255/37;C07C255/39;C07C327/44;C07D213/64;C07D213/647;C07D213/68;C07D233/72;C07D307/45;C07D309/38;C07F7/18 |
主分类号 |
C07D209/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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