- Antianaphylactic and antibronchospastic N-benzhydryldiazacycloalkylalkananilides
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New piperazine derivatives of general formula: wherein:, R is hydrogen or lower alkyl,A is straight or branched lower alkyl and R1 and R2 are respectively hydrogen, amino, alkylamino, dialkylamino mono or di(hydroxyalkyl)amino,morpholino, piperidino, N-alkylpiperazino, 1,3-dithiolan-2-ylidenamino, N--alkylureido, isomers mixture thereof, individual enantiomers and pharmaceutically acceptable acid addition salts thereof. The new compounds exhibit a high antianaphylactic and antibronchospastic activity.
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