An improved process for preparing 4-[(3-chloro-4-fluorophenyl)amino]-
6
-[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazoline and related aminocrotonyl compounds and the preparation of a suitable salt of 4-[(3-chloro-4-fluorophenyl)amino]-
6
-[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazoline for use as a pharmaceutically active substance.
一种改进的制备4-[(3-
氯-4-
氟苯基)
氨基]-6-[4-(N,N-二甲基
氨基)-1-氧代-
2-丁烯-1-基]
氨基}-7-((S)-
四氢呋喃-3-氧基)-
喹唑啉及其相关
氨基
丙烯酰化合物的方法,以及制备适用于作为药物活性物质的4-[(3-
氯-4-
氟苯基)
氨基]-6-[4-(N,N-二甲基
氨基)-1-氧代-
2-丁烯-1-基]
氨基}-7-((S)-
四氢呋喃-3-氧基)-
喹唑啉的合适盐的方法。