Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-04-26
2005-04-26
Solola, Taofiq (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S322500
Reexamination Certificate
active
06884893
ABSTRACT:
The invention relates to a method for selectively dissociating cyclic carboxylic acid anhydrides. According to the inventive method, a chiral amino alcohol with a tertiary amino group that may have a partially or completely bridged structure is used as the chiral auxiliary reagent.
REFERENCES:
patent: 044158 (1982-01-01), None
Patent Abstracts of Japan vol. 7, No. 143 & JP 58055464.
Eckstein Jürgen
Schwarz Michael
MERCK Patent GmbH
Millen White Zelano & Branigan P.C.
Solola Taofiq
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