S-(−)-1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylam...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S304000

Reexamination Certificate

active

06989465

ABSTRACT:
The present invention relates to a novel compound S-(−)-1-{4-[2-(allyloxy)-ethyl] phenoxy}-3-isopropylamino propan-2-ol of formula 1 and to a process for the preparation thereof. More particularly the present invention relates to a process for preparing S-(−)-1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol of formula 1 by selective allylation of p-hydroxy phenyl ethanol. The present invention also relates to a process for conversion thereof to S-(−)-betaxolol of formula 2

REFERENCES:
patent: 4760182 (1988-07-01), Ippolito et al.

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