STEREOSPECIFIC SYNTHESIS OF POLYENE COMPOUNDS - Patent 0695285

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EP 0 695 285 A1

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(43)	Date of publication:
	07.02.1996 Bulletin 1996/06

(21)	Application number: 94915855.0

(22)	Date of filing: 21.04.1994

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International Patent Classification (IPC):

C07D 309/ 30^{( . )}
C07C 45/ 60^{( . )}
C07C 47/ 225^{( . )}
C07C 47/ 24^{( . )}
C07C 69/ 587^{( . )}
C07C 403/ 20^{( . )}

C07C 45/ 56^{( . )}
C07C 47/ 21^{( . )}
C07C 47/ 232^{( . )}
C07C 59/ 42^{( . )}
C07C 403/ 14^{( . )}

(86)	International application number:
	PCT/US1994/004440

(87)	International publication number:
	WO 1994/024082 (27.10.1994 Gazette 1994/24)

(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:

21.04.1993 US 19930052040

(60)	Divisional application:
	97122793.9 / 0839788

(71)	Applicant: LIGAND PHARMACEUTICALS, INC.
	San Diego, CA 92121 (US)

(72)	Inventors:
	WHITE, Steven, K. San Diego, CA 92129 (US) HWANG, Chan, Kou San Diego, CA 92124 (US) WINN, David, T. San Diego, CA 92122 (US)

(74)	Representative: Patentanwälte Viering, Jentschura & Partner
	Postfach 22 14 43 D-80504 München D-80504 München (DE)

(54)	STEREOSPECIFIC SYNTHESIS OF POLYENE COMPOUNDS