Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-10-30
1989-10-24
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540222, 548132, 548135, 549 74, 549 75, 549293, C07D27730, C07D28512
Patent
active
048763519
ABSTRACT:
A process for the separation of a mixture of syn and anti oxime isomers one from the other which comprises adsorbing said mixed oxime isomers onto a non-functional macroreticular adsorption resin, and eluting said resin to yield at least one eluate fraction containing one of said isomers while being substantially free of the other of said isomers.
The application of this process to the separation of syn and anti isomers of cephalosporin compounds possessing an oxime grouping in a side-chain in the 7.beta.-position, and of acids corresponding to this 7.beta.-side chain, is described.
REFERENCES:
patent: 4717768 (1988-01-01), Robinson et al.
Bownass Audrey J.
Eastlick David T.
Robinson Colin
Glaxo Group Limited
Rizzo Nicholas S.
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