UN PROCEDIMIENTO PARA PREPARAR NUEVOS DERIVADOS DE 1,3-DIHI-DRO-6-AMINOMETIL-7-HIDROXI-FURO-(3,4-C)-PIRIDINA

摘要

Compounds of the general formula (A1,A2 independently = H, C1-C5 hydrocarbon, heterocycle up to 6 ring atoms, carbomonocycle, phenylalkyl, phenylalkenyl; each (except H) unsubstituted or substituted by one or more of F, Cl, CF3, C1-C5alkyl, C1-C5alkoxy, C1-C5alkylthio, di (C1-C5alkyl)amino, di(C1-C5alkyl)amino-(C1-C5alkoxy), alpha - or beta -(C1-C5alkoxy)-N-pyrrolidinyl) and their salts have antiallergic action.