Process for the preparation of the use of Nifedipine and Nifedipine for the manufacture of a medicament

摘要

Process for the preparation of Nifedipine (i)Which includes the reaction of 2 - (nitrobenciliden) acetilacetato Methyl 3-aminocrotonate demetilo in at least one alkanol C1 - 3 - as SolventWherein the Reaction is carried out at a temperature of between 70 and 110sc pressure. Use of lanifedipina thus prepared for the manufacture of a Medicament.