Appeal No. 95-4721
Application No. 08/128,332
and X is a group
2
or has the same meaning as X , and R and R are defined1 7 8
hereinabove, with a secondary amine of formula
R5
'
H ) N (VI),
(
R6
wherein R and R are defined hereinabove in the molar ratio57 68
1:1 or, if X has the same meaning as X , in the molar ratio2 1
1:2, in the presence of an anhydrous dipolar aprotic solvent
of an amount 0.1 to 15 times in excess of stoichiometric
proportion, based on the amine of formula VI, of an annydrous
-3-
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