Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-05-09
1992-04-14
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548452, C07D22102, C07D45302
Patent
active
051049899
ABSTRACT:
A process for preparing substantially pure enantiomers of formula (I) ##STR1## where the * represents a chiral center, x is 0 or 1, in exo-, endo- or a mixture of exo- and endo- forms; and R is hydrogen, alkyl or aralkyl, via diastereomers of formula (IIA) or (IIB); ##STR2##
REFERENCES:
patent: 4788305 (1988-11-01), Tessier et al.
Cottrell I.
Hands D.
Wright S. H. B.
Caruso Charles M.
Covington Raymond
Ivy C. Warren
Merck Sharp & Dohme Ltd.
Polk Manfred
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