The present invention relates to a novel process for producing anagrelide, 6,7-dichloro-1,5-dihydroimidazo[2,1-b]quinazolin 2(3H)-one, or certain analogues thereof. The process of the invention also provides improved processes for producing key intermediates required for the synthesis of anagrelide or certain analogues thereof.
                            本发明涉及一种生产
阿那格雷利特、6,7-二
氯-1,5-二氢
咪唑并[2,1-b]
喹唑啉-2(3H)-酮或其某些类似物的新工艺。该发明的工艺还提供了生产
阿那格雷利特或其某些类似物所需的关键中间体的改进工艺。