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Reaction between 1,4-ketones and primary amines (or ammonia) to give pyrroles. A variation of the Knorr pyrazole synthesis (page 331). [Pg.333]

See other pages where Knorr pyrazole synthesis variations is mentioned: [Pg.210]

See also in sourсe #XX -- [ Pg.210 , Pg.211 , Pg.212 , Pg.213 ]