C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
530/5.04, 167/10
C07K 5/04 (2006.01) A61K 38/04 (2006.01) C07C 381/00 (2006.01) C07K 5/02 (2006.01) C07K 5/06 (2006.01) C07K 5/062 (2006.01) C07K 5/093 (2006.01) A61K 38/00 (2006.01)
Patent
CA 2022685
Abstract of the Disclosure Novel nitrosothiol derivatives of the formula: Image wherein R1 and R2 are independently a hydrogen atom or a hydrocarbon residue which may be substituted; R3 is a hydrogen atom, an acyl group or a hydrocarbon residue which may be substituted; X1 is a hydrogen atom, an acyl group, a lower alkoxy group or a hydrocarbon residue which may be substituted; X2 is an acyl group or a carboxyl group which may be esterified or which may form an amide; with proviso that when X2 is a carboxyl group X1 is not a hydrogen atom or acetyl group and that when both R1 and R2 are hydrogen atoms X is not acetyl group or .gamma.-glutamyl group, and salts thereof, show excellent hypotensive action, anti- arrhythmic action, anti-anginal action, cardiotonic action or coronary vasodilation, thus being useful as therapeutic or prophylactic agents for the cardiovascular diseases such as hypertension and anqina pectoris.
Fukumoto Shoji
Goto Giichi
Ohkawa Shigenori
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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