Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2011-06-28
2011-06-28
Chu, Yong (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S469000, C514S412000
Reexamination Certificate
active
07968732
ABSTRACT:
The present invention is related to a process for the preparation of 5-benzyloxy-2-(4-benzyloxyphenyl)-3-methyl-1H-Indole (formula-1, a useful intermediate for the synthesis of bazedoxifene) using 4-benzyloxy propiophenone and 4-benzyloxy phenyl hydrazine hydrochloride.
REFERENCES:
patent: 5998402 (1999-12-01), Miller
patent: 0082183 (1997-10-01), None
patent: 2008098527 (2008-08-01), None
Chris P. Miller, et al. Design, Synthesis, and Preclinical Characterization of Novel, Highly Selective Indole Estrogens, Journal of Medicinal Chemistry, vol. 44, p. 1654-1657 Feb. 27, 2001.
Divi Murali Krishna Prasad
Rao Bolineni Nageswara
Suresh Dandu Venkata
Barker Michael
Caesar Rivise Bernstein Cohen & Pokotilow Ltd.
Chu Yong
Divi's Laboratories, Ltd.
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