Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Reexamination Certificate
2006-03-21
2006-03-21
Berch, Mark L. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C540S524000, C540S533000, C546S290000, C546S303000, C546S301000, C546S283400, C548S517000, C548S543000, C548S551000, C548S552000
Reexamination Certificate
active
07015320
ABSTRACT:
The present invention relates generally to processes for the efficient production optically active 3-substituted lactams of formula (I)process, comprising:contacting a compound of formula (II):with hydrogen under a suitable pressure in the presence of an iridium complex of the formula (R2)IrL+X−wherein L is a chelating diene, X is a non coordinating anion, andR2is selected from
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Nugent William A.
Yue Tai
Berch Mark L.
Bristol--Myers Squibb Company
VanAtten Mary
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