Appeal No. 2001-1932
Application No. 08/829,512
wherein A1 to A5 are as defined above and X is
chlorine, bromine or iodine, with carbon monoxide and a
primary or secondary amine of the formula:
R6-NH-R7 III
wherein R6 and R7 are as defined above, in the presence
of a complex of palladium with a diphosphine of the
formula:
R8R9P-[CH2]n-PR10R11 IV,
in which R8 and R11 independently of one another are each
phenyl or substituted phenyl, and n is 3 or 4, with a
base other than said primary or secondary amine.
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