The present invention relates to an improved and novel process for the preparation of high purity crystalline base of Lapatinib of formula-(l) having chemical name N-3-chloro-4-[(3- fluorobenzyloxy]phenyl}-6-[5-([2-(methanesuIfonyl) ethyl]amino}methyl]-2-furyl]-4-quin - azolinamine and its pharmaceutically acceptable salts. The present invention further relates to intermediates according to formula (8) and formula (9) used in this process
本发明涉及一种改进的和新颖的制备高纯度
拉帕替尼晶态碱的工艺,其
化学名为N-3-
氯-4-[(3-
氟苯甲基氧基]苯基}-6-[5-([2-(甲磺酰基)乙基]
氨基}甲基]-2-
呋喃基]-4-
喹唑啉胺,及其药用可接受的盐。本发明进一步涉及在此工艺中使用的根据公式(8)和公式(9)的中间体。