Patent · US Expired

Pyrimidone derivatives and analogs in the treatment of asthma or certain skin disorders

US5342842A · kind A · utility

2Cited by
1References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 8, 1992
Grant dateAug 30, 1994
Priority date
Expiry dateMay 8, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Racemic or optically active compound of the formula ##STR1## wherein X is O or NH, R.sup.1 is a (C.sub.7 -C.sub.11)polycycloalkyl group, R.sup.2 is methyl or ethyl, Y is ##STR2## R.sup.3 is hydrogen, (C.sub.1 -C.sub.3)alkyl, (C.sub.2 -C.sub.3)alkenyl, benzyl or phenethyl, and R.sup.4 is hydrogen, (C.sub.1 -C.sub.3)alkyl or (C.sub.2 -C.sub.3)alkanoyl, are useful in the treatment of asthma or inflammatory airway or skin diseases.

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