Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-06-28
1992-03-03
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D45304
Patent
active
050934988
ABSTRACT:
A process is disclosed for obtaining manipulated proportions of the (+) and (-) enantiomers of [(6,7-dichloro-2,3-dihydro-2-methyl-1-oxo-2-phenyl-1H-inden-5-yl)oxy]aceti c acid by asymmetric chiral phase transfer catalysis.
REFERENCES:
patent: 2111227 (1938-03-01), Salzberg
Colonna et al., J. C. S. Perkin I, pp. 547-552, (1981).
Colonna et al., J. C. S. Perkin I, pp. 371-373, (1978).
Julia et al., Tet. Letters, vol. 21, pp. 3709-3712, (1980).
Dolling Ulf H.
Grabowski Edward J. J.
Pines Seemon H.
Caruso Charles M.
Dentz Bernard
Merck & Co. , Inc.
Parr Richard S.
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