Patent · US Expired

Process for the industrial preparation of aminoacetylenes

US5902902A · kind A · utility

2Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1998
Grant dateMay 11, 1999
Priority date
Expiry dateFeb 18, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/081
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of 3-aminophenylacetylene derivatives of formula: ##STR1## wherein R.sub.1 is as defined in the disclosure ##STR2## wherein Y is as defined in the disclosure EQU R--C.tbd.C--H wherein R is as defined in the disclosure.

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