TETRACYCLIC COMPOUNDS PROCESS AND INTERMEDIATES FOR THEIR PREPARATION AND THEIR USE AS ANTITUMOUR AGENTS - Patent 0651750

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EP 0 651 750 A1

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(43)	Date of publication:
	10.05.1995 Bulletin 1995/19

(21)	Application number: 93916105.0

(22)	Date of filing: 19.07.1993

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International Patent Classification (IPC):

C07D 473/ 00^{( . )}
A61K 31/ 403^{( . )}
C07D 207/ 333^{( . )}
C07D 209/ 94^{( . )}
C07D 409/ 06^{( . )}
C07D 491/ 04^{( . )}
C07D 495/ 04^{( . )}

A61K 31/ 40^{( . )}
A61P 35/ 00^{( . )}
C07D 207/ 34^{( . )}
C07D 403/ 06^{( . )}
C07D 487/ 04^{( . )}
C07D 491/ 048^{( . )}
C07D 207/ 32^{( . )}

(86)	International application number:
	PCT/GB1993/001512

(87)	International publication number:
	WO 1994/002483 (03.02.1994 Gazette 1994/04)

(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:

20.07.1992 GB 19920015361

(71)	Applicants:
	THE WELLCOME FOUNDATION LIMITED London NW1 2BP (GB) UNIVERSITY COLLEGE CARDIFF CONSULTANTS LIMITED Cardiff CF1 1XR (GB)

(72)	Inventors:
	FRANZMANN, Karl Witold Beckenham, Kent BR3 3BS (GB) STABLES, Jeremy Nigel Beckenham, Kent BR3 3BS (GB) SHANNON, Patrick Vivian Richard Penarth, South Glamorgan CF64 1AT (GB) RAO, Nagaraja Kodanda Ranganatha Birchgrove, Cardiff CF4 4QN (GB) CHUNCHATPRASERT, Laddawan Khon Kaen 40000 (TH)

(74)	Representative: Rollins, Anthony John
	Langley Court Beckenham, Kent BR3 3BS Beckenham, Kent BR3 3BS (GB)

(54)	TETRACYCLIC COMPOUNDS PROCESS AND INTERMEDIATES FOR THEIR PREPARATION AND THEIR USE AS ANTITUMOUR AGENTS