Document Type and Number:
Japanese Patent JPH0557249
Kind Code:
B2
Abstract:
Substituted alpha -halogenopropionic acids and their derivatives of the general formula (I) wherein R1 to R3, Y and X have the meanings given in the description, are prepared by a process which is characterized in that substituted vinylidene chlorides of the general formula (II) are reacted with chlorine or bromine chloride in the presence of compounds of the formula R5-SO3R6 (III) wherein R5 and R6 have the meaning given in the description, and the products obtained are treated, if appropriate, with water or alcohol. Certain of the substituted alpha -halogeno-propionic acids and the substituted vinylidene chloride of the formula are new. The end products are useful as herbicides and intermediates for insecticides.
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Inventors:
DEIITAA ARURUTO
Application Number:
JP15106491A
Publication Date:
August 23, 1993
Filing Date:
May 27, 1991
Export Citation:
Assignee:
BAYER AG
International Classes:
B01J27/125; B01J27/128; B01J27/135; B01J27/138; C07B61/00; C07C17/20; C07C17/26; A01N37/02; C07C17/269; C07C21/04; C07C21/073; C07C51/00; C07C51/58; C07C53/19; C07C53/21; C07C53/50; C07C57/58; C07C57/76; C07C67/00; C07C67/14; C07C69/62; C07C69/63; C07C21/18; C07C51/04; C07C62/16; C07C67/317; C07C67/347; C07C69/653; C07C69/743; (IPC1-7): C07C21/04; C07C17/26
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