Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-04-11
1990-10-02
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544125, 544361, 546 70, C07D45503
Patent
active
049608916
ABSTRACT:
The invention provides a process for preparing compounds, as a single enantiomer or mixture of enantiomers, represented by the formula: ##STR1## in which: X and Y are independently hydrogen, hydroxy, lower alkyl, lower alkoxy or halo, or X and Y taken together is methylenedioxy or ethylene-1,2-dioxy, and
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Investigation on the Chemistry of Berbans, by Lajor Szabo, et al, Nouv. J. Chim. 4(3), 199-202.
Daus Donald G.
Lewis Brian
Moran Tom M.
Syntex (U.S.A.) Inc.
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