Details for Patent: 5,859,006

Summary for Patent: 5,859,006

Patent landscape, scope, and claims:

Title:	Tetracyclic derivatives; process of preparation and use
Abstract:	A compound of formula (I) ##STR1## and salts and solvates thereof, in which: R.sup.0 represents hydrogen, halogen or C.sub.1-6 alkyl; R.sup.1 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, haloC.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkylC.sub.1-3 alkyl, arylC.sub.1-3 alkyl or heteroarylC.sub.1-3 alkyl; R.sup.2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan and pyridine or an optionally substituted bicyclic ring ##STR2## attached to the rest of the molecule via one of the benzene ring carbon atoms and wherein the fused ring A is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur and nitrogen; and R.sup.3 represents hydrogen or C.sub.1-3 alkyl, or R.sup.1 and R.sup.3 together represent a 3- or 4-membered alkyl or alkenyl chain. A compound of formula (I) is a potent and selective inhibitor of cyclic guanosine 3', 5'-monophosphate specific phosphodiesterase (cGMP specific PDE) having a utility in a variety of therapeutic areas where such inhibition is beneficial, including the treatment of cardiovascular disorders.
Inventor(s):	Daugan; Alain Claude-Marie (Les Ulis, FR)
Assignee:	ICOS Corporation (Bothell, WA)
Application Number:	08/669,389
Patent Claim Types: see list of patent claims	Compound; Use; Composition; Process;

Drugs Protected by US Patent 5,859,006

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 5,859,006

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9401090	Jan 21, 1994

PCT Information
PCT Filed	January 19, 1995	PCT Application Number:	PCT/EP95/00183
PCT Publication Date:	July 27, 1995	PCT Publication Number:	WO95/19978

International Family Members for US Patent 5,859,006

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0740668		SPC004/2003	Ireland
European Patent Office	0740668		91017	Luxembourg
European Patent Office	0740668		PA2003001	Lithuania
European Patent Office	0740668		300124	Netherlands