DERIVATIVES OF PYRAN - Patent 0510029

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EP 0 510 029 A1

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(43)	Date of publication:
	28.10.1992 Bulletin 1992/44

(21)	Application number: 91901730.0

(22)	Date of filing: 07.01.1991

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International Patent Classification (IPC):

C07C 51/ 31^{( . )}
C07H 15/ 04^{( . )}
C07H 19/ 01^{( . )}

C07C 59/ 105^{( . )}
C07H 15/ 203^{( . )}

(86)	International application number:
	PCT/EP1991/000013

(87)	International publication number:
	WO 1991/010673 (25.07.1991 Gazette 1991/17)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

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Priority:

08.01.1990 GB 19900000374

(71)	Applicant: RHONE-POULENC RORER S.A.
	F-92165 Antony Cédex (FR)

(72)	Inventors:
	SMITH, Christopher Dagenham Essex RM10 7XS (GB) PITCHEN, Philippe Dagenham Essex RM10 7XS (GB)

(74)	Representative: Bentham, Stephen, et al
	J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)

(54)	DERIVATIVES OF PYRAN