Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-06-17
1993-04-06
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D21140
Patent
active
052005232
ABSTRACT:
Nojirimycin .delta.-lactam and deoxynojirimycin are each synthesized from 5,6-anhydro-3-O-benzyl-1,2-O-isopropylidene-L-idofuranose as a divergent intermediate by a method which comprises formation of the piperidine ring by connection of nitrogen between C-1 and C-5 with inversion of configuration at C-5 to form nojirimycin .delta.-lactam or between C-2 and C-6 with inversion of configuration at C-2.
Covington Raymond
Ivy C. Warren
Meyer Scott J.
Monsanto Company
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