Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-04-08
2008-04-08
Berch, Mark L. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C540S301000, C540S222000, C540S228000, C540S230000
Reexamination Certificate
active
07355040
ABSTRACT:
There is provided a process for the preparation of a compound according to Formula (II):which includes the step of cyclizing a compound of Formula (III):wherein R1, R2, R3, R4, X and m have meanings which are given in the description.
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Best Desmond John
Burton George
Gasson Brian Charles
Osborne Neal Frederick
Walker Graham
Berch Mark L.
Engelmann John H.
Hosley Mary J.
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