Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles
Patent
1997-09-10
1999-01-12
Burn, Brian M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitriles
558408, C07C25533
Patent
active
058592792
ABSTRACT:
A process for the preparation of a compound of formula (VI), optionally in enantiomerically-enriched form (R or S), comprises chemoselective reduction of a novel compound of formula (V), wherein Ar.sup.1 and Ar.sup.2 are independently selected from optionally-substituted aromatic or heteroaromatic groups having upto 20 C atoms, Ak is C.sub.1-20 alkyl, and R is H or C.sub.1-20 alkyl. ##STR1##
REFERENCES:
patent: 4940780 (1990-07-01), Seitz Werner et al.
patent: 5247119 (1993-09-01), Fowler et al.
Bannister Robin Mark
Evans Graham
Burn Brian M.
Darwin Discovery Limited
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