Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1994-04-08
1996-05-07
Springer, David B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546255, 546178, C07D40106
Patent
active
055148050
ABSTRACT:
A novel process for the asymmetric hydrogenation of compounds of the formula: ##STR1## wherein R represent aryl or heteroaryl, to compounds of the formula: ##STR2## wherein R has the above significance, is carried out using rhodium-diphosphine complexes.
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Achiwa, et al., Tetrahedron Letters, 363-366 (1989).
Sakuraba., Chemical Abstracts, vol. 116, (1992).
Arntz, et al., Catal. Met. Complexes 161-189 (1991).
Broger Emil A.
Hofheinz Werner
Meili Arthur
Epstein William H.
Gould George M.
Hoffmann-La Roche Inc.
Pokras Bruce A.
Springer David B.
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