Patent · US Expired

Theophylline derivatives

US4603204A · kind A · utility

7Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1983
Grant dateJul 29, 1986
Priority date—
Expiry dateMar 11, 2003

Classification

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

Abstract

New derivatives of theophylline having the formula ##STR1## in which R denotes hydrogen or OH, n the numbers 0 or 1, X either >CH-- or >N--, Y either --O-- or --CO-- and R a five membered or six membered aryl ring or hetero-aryl ring, that is substituted in given cases with halogen, short chain alkyl groups, alkoxy groups or halogen-alkyl, and exhibit in addition to other properties, histamine-, serotinine- bradykynine- antagonistic, anti-anaphylactic and -adrenergic stimulating effects.

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