The syntliesis of dibenzo [b,e] [l,.l]diazepines substituted in the 5-and IO-positions with dialkylaminonlkyl groups :mtl tlieir wtivitv ns pseudocholinesterase inhibitors are reported.In 1924 Clemo, Perkin, and Robinson1 reported the synthesis of 1 la-dibenzo [b,e] [1,4]diazepin-ll-one (I) by the pyrolysis of ?;-(o-aminophenyl)aJlthraIlilic acid.
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