Patent · US Expired

(7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine

US6645979B2 · kind B2 · utility

0Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2001
Grant dateNov 11, 2003
Priority date
Expiry dateOct 29, 2021

Classification

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

Abstract

The invention described herein relates to a process for the preparation of (7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine (I), intermediates thereto and new forms and formulations thereof, including the zwitterion monohydrate of (I), suitable for pharmaceutical use.

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