. . . "wherein L is a leaving group such as halogen, methansulphonyl or methansulfinyl and R3, R5, cyclyl and G are as defined above, either with an activated form of ammonia, like lithium bis(trimethylsilyl)amide, optionally in the presence of a condensing agent, or with hydrazine followed by reduction to amine, or with an amine of formula R7???NH2, wherein R7 is as defined above, in a Pd-catalyzed coup" .