PROCESS AND INTERMEDIATES FOR THE PREPARATION OF SUBSTITUTED D,L-2-(7-FLUORO-3,4-DIHYDRO-3-OXO-2H-1,4-BENZOXAZIN-6-YL)-PERHYDROIMIDAZO 1,5-A]PYRIDINE-1,3-DIONES - Patent 0631579

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EP 0 631 579 A1

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(43)	Date of publication:
	04.01.1995 Bulletin 1995/01

(21)	Application number: 93906536.0

(22)	Date of filing: 10.03.1993

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International Patent Classification (IPC):

A01N 43/ 90^{( . )}
C07C 233/ 26^{( . )}
C07C 271/ 58^{( . )}

C07C 233/ 25^{( . )}
C07C 233/ 43^{( . )}
C07D 471/ 04^{( . )}

(86)	International application number:
	PCT/EP1993/000598

(87)	International publication number:
	WO 1993/019065 (30.09.1993 Gazette 1993/24)

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

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Priority:

17.03.1992 DE 19924208778

(71)	Applicant: SCHERING AKTIENGESELLSCHAFT
	D-13353 Berlin (DE)

(72)	Inventors:
	GANZER, Michael D-13437 Berlin (DE) PUTTNER, Reinhold D-10717 Berlin (DE) SEBA, Hartmut D-38102 Vechelde (DE)

(54)	PROCESS AND INTERMEDIATES FOR THE PREPARATION OF SUBSTITUTED D,L-2-(7-FLUORO-3,4-DIHYDRO-3-OXO-2H-1,4-BENZOXAZIN-6-YL)-PERHYDROIMIDAZO 1,5-A]PYRIDINE-1,3-DIONES