RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino...

Details RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino... RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino...

2007-06-05

2007-06-05

O'Sullivan, Peter (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

Reexamination Certificate

active

10978896

ABSTRACT:
The present invention relates to RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol of the formula (1), process for preparation thereof by selective allylation of p-hydroxy phenyl ethanol and use thereof in a preparation of RS betaxolol of formula (2)

REFERENCES:
patent: 5731463 (1998-03-01), Wang et al.
patent: 6989465 (2006-01-01), Joshi et al.

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