US 5,204,468 A · Substituted 4,5,6,7-tetrahydrothiens[2,3-C]pyridine compounds

Abstract

This invention provides the single species (-)-(S)-4-(3,4-dihydroxyphenyl)-7, 8-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride hydrate, which is useful as a nephrovascular dilator.

Claims1

Dependent claims

An optical isomer of the compound of the formula:

##STR66##

Dependencies are inferred from the claim text.

Facts

Application

07/737,883Filed 25 Jul 1991 · division

Priority

JP 62-7543927 Mar 1987

Granted

20 Apr 1993

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

C07D 495/04
In which the condensed system contains two hetero rings: ortho-condensed systems
C07D 217/16
Other than aralkyl radicals: substituted by oxygen atoms
C07D 513/04
In which the condensed system contains two hetero rings: ortho-condensed systems
C07D
Heterocyclic compounds

Family

Serial173,276Parent of this division · filed 25 Mar 1988

Serial320,975Parent of this continuation-in-part · filed 9 Mar 1989

Serial440,086Parent of this continuation · filed 22 Nov 1989

Serial569,279Parent of this division · filed 21 Aug 1990

US 4,876,261 AParent of this division

US 5,204,468 AThis patent

From the US filing history. Foreign family members aren’t listed.

Abstract

This invention provides the single species (-)-(S)-4-(3,4-dihydroxyphenyl)-7, 8-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride hydrate, which is useful as a nephrovascular dilator.

Substituted 4,5,6,7-tetrahydrothiens[2,3-C]pyridine compounds

Life of this patent

Abstract

Claims1

Substituted 4,5,6,7-tetrahydrothiens[2,3-C]pyridine compounds

Life of this patent

Abstract

Claims1