Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1992-01-28
1992-10-27
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
562452, 564272, 564327, 564344, C07C22900
Patent
active
051591030
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.
REFERENCES:
patent: 4921998 (1990-05-01), Niewohner
Boigegrain Robert
Boveri Sergio
Cecchi Roberto
Killos Paul J.
Sanofi
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