The present invention relates to an improved process for preparing Acebrophylline comprising preparing a reaction mixture of theophylline-7-acetate and ambroxol base in a non-polar solvent; heating said reaction mixture at a suitable temperature; and isolating Acebrophylline by filtration. The yield of Acebrophylline is between 95-98% with a purity of 99%.
本发明涉及一种改进的制备
乙酰丙酸氨茶碱的方法,包括在非极性溶剂中制备茶碱-7-
乙酸酯和阿莫罗沙的反应混合物;在适当的温度下加热反应混合物;通过过滤来分离
乙酰丙酸氨茶碱。
乙酰丙酸氨茶碱的收率在95-98%之间,纯度为99%。