Patent · US Expired

Amino- or guanidino-1,2,3,4-tetrahydro-1-naphthoic esters

US4214093A · kind A · utility

5Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1979
Grant dateJul 22, 1980
Priority date
Expiry dateApr 16, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Amino- or guanidino-1,2,3,4-tetrahydro-1-naphthoic esters represented by the formula, ##STR1## wherein R.sub.1 is --NH.sub.2 or ##STR2## R.sub.3 is --H, --R.sub.4, --O--R.sub.4, --NHCOCH.sub.3, a halogen, --CN, ##STR3## --COOH, --COOR.sub.4, ##STR4## or --(CH.sub.2).sub.n --COOCH.sub.2 --CO--R.sub.5 ; R.sub.5 is --O--R.sub.4, --NH.sub.2 or ##STR5## n is 0, 1 or 2, and R.sub.4 is a lower alkyl, or pharmaceutically acceptable acid addition salts thereof. Owing to their inhibitory activity on proteolytic enzymes the said esters and acid addition salts thereof are useful in the therapy of diseases caused by such enzymes.

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