Process for preparing compounds ciclohexamicos or substituted cicloheptanicos n- (esterified carboxyl or esterified sul fonilo) -aminoalcoholico o-aminoalcohilideno.

摘要

11-(4-Piperidylidene)-5H-benzo-[5,6]-cyclohepta-[1,2-b]-pyridines and their 5,6-dihydro derivatives are disclosed. The compounds are useful as antihistamines with little or no sedative effects.