Patent · US Expired

2-amino-7-hydroxytetraline ethers

US5159103A · kind A · utility

1Cited by

1References

6Claims

0Family size

Assignee

Sanofi · FR

Inventors

Robert Boigegrain · Clapiers, FR
Roberto Cecchi · Lodi, IT
Sergio Boveri · Tortona, IT

Key dates

Filing date	Jan 28, 1992
Grant date	Oct 27, 1992
Priority date	—
Expiry date	Jan 28, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

2-amino-7-hydroxytetraline ethers of formula ##STR1## wherein R' represents methyl substituted by a carboxy group or lower carbalkoxy group or a salt thereof; a process for their preparation starting from the 2-amino-7-hydroxytetraline, N-protection, O-alkylation and N-deprotection; N-protected intermediates; and use of the compounds I for the preparation of the corresponding phenylethanolaminotetralines.

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