Appeal No. 2001-1932
Application No. 08/829,512
wherein A1 to A5 and X are as defined above, and, in a
second step, said product is reacted with carbon
monoxide and an amine of 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
formula:
R8R9P-[CH2]n-PR10OR11 IV
wherein R8 to 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.
19. A process for the preparation of an amide of
formula:
I
wherein:
A1 is nitrogen or CR1,
A2 is nitrogen or CR2,
A3 is nitrogen or CR3,
A4 is nitrogen or CR4, and
A5 is nitrogen or CR5,
13
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