Patent · US Expired

Indane compounds and their pharmaceutical use

US6433021B1 · kind B1 · utility

0Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1999
Grant dateAug 13, 2002
Priority date
Expiry dateDec 3, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C49/798
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Indane compounds of general formulae (1) to (4) and their pharmaceutical use, particularly to achieve mast cell stabilising activity and/or anti-inflammatory activity are described. In these formulae R1 to R7 may be selected from: H, halo, hydroxy, alkoxy, aryloxy, acetoxy, carboxy, cyclopentyl, alkyl carbonyl, hydro carbonyl, amino, amido, alkylamino, hydroxyamino, amine oxide groups, azo groups, cyano, hydrazino groups, hydrazide groups, hydrazone groups, indane, indene, imide groups, iminoether groups, ureyl groups, oxime, nitro, nitrate, nitrite, nitroso groups, nitirile, heterocyclic groups containing hetero atoms selected from one or more of N, O or S, aralkyl groups, aryl groups, mono and polybenzoid aryl groups, substituted aryl groups, thiol, thioureyl, phenylthiol groups, sulphonic acid groups, sulphoxide groups, sulphone groups, carboxylic acid groups of C1 to C10 which may be substituted or unsubstituted, alkyl, substituted alkyl groups, acyl groups, substituted acyl groups; where R1 and R3 may together represent a double bond and wherein in (CH2)n, n is 0 to 8.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.