METHOD OF PREPARING PHOSPHODIESTERASE IV INHIBITORS - Patent 0898564

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EP 0 898 564 A1

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(43)	Date of publication:
	03.03.1999 Bulletin 1999/09

(21)	Application number: 97920379.0

(22)	Date of filing: 14.04.1997

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International Patent Classification (IPC):

C07D 213/ 34^{( . )}

(86)	International application number:
	PCT/US1997/006131

(87)	International publication number:
	WO 1997/038976 (23.10.1997 Gazette 1997/45)

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

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Priority:

17.04.1996 US 19960015687
10.06.1996 GB 19960012083

(71)	Applicant: MERCK & CO., INC.
	Rahway, New Jersey 07065 (US)

(72)	Inventors:
	HOUPIS, Ioannis Rahway, NJ 07065 (US) MOLINA, Audrey Rahway, NJ 07065 (US) VOLANTE, Ralph, P. Rahway, NJ 07065 (US)

(74)	Representative: Horgan, James Michael Frederic, et al
	Merck & Co., Inc., Terlings Park, Eastwick Road Harlow, Essex CM20 2QR Harlow, Essex CM20 2QR (GB)

(54)	METHOD OF PREPARING PHOSPHODIESTERASE IV INHIBITORS