The invention relates to novel intermediates and processes for the preparation of quinoline compounds useful as anti-malarial drugs and novel intermediates useful in the process. A process for the preparation of a compound of formula (I) in which R1 is C1-6 alkyl; R2 and R3 are independently hydrogen, halogen, trifluoromethyl or C1-6 alkoxy; R4 is C1-6 alkyl; R5 is hydrogen or C1-6 alkyl; and R6 or amino which comprises reacting a compound of formula (II) in which R1, R4 and R5 are as defined in formula (I) and X is a leading group with a compound of formula (III).
该发明涉及一种新型中间体和制备
喹啉化合物的过程,该化合物可用作抗疟疾药物,以及在该过程中有用的新型中间体。一种制备式(I)化合物的方法,其中R1为C1-6烷基;R2和R3分别为氢、卤素、三
氟甲基或C1-6烷氧基;R4为C1-6烷基;R5为氢或C1-6烷基;以及R6或
氨基,包括将式(II)化合物与式(III)化合物反应,其中式(II)中的R1、R4和R5如式(I)中定义,X为引导基。