PREPARATION OF PROPENOIC ACID DERIVATIVES - Patent 0527182

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EP 0 527 182 A1

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(43)	Date of publication:
	17.02.1993 Bulletin 1993/07

(21)	Application number: 91908886.0

(22)	Date of filing: 01.05.1991

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International Patent Classification (IPC):

A01N 37/ 36^{( . )}
C07C 323/ 56^{( . )}
C07D 277/ 74^{( . )}

A01N 43/ 78^{( . )}
C07D 277/ 36^{( . )}

(86)	International application number:
	PCT/GB1991/000695

(87)	International publication number:
	WO 1991/017152 (14.11.1991 Gazette 1991/26)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

02.05.1990 GB 19900009916

(71)	Applicant: SCHERING AGROCHEMICALS LIMITED
	Hauxton Cambridge CB2 5HU (GB)

(72)	Inventor:
	FOSTER, R. W. G. Schering Agrochemicals Limited Essex CB10 1XL 1XL (GB)

(74)	Representative: Waldman, Ralph David, et al
	AgrEvo UK Limited Patent Department Chesterford Park Saffron Walden Essex CB10 1XL Saffron Walden Essex CB10 1XL (GB)

(54)	PREPARATION OF PROPENOIC ACID DERIVATIVES