A simple and novel cyclo-condensation reaction of 6-amino-uracils and isatins for the synthesis of spiro[pyrimido[4,5-b]quinoline-5,5′-pyrrolo[2,3-d]pyrimidine] derivatives is reported.
报道了一种简单新颖的6-氨基尿嘧啶和靛红的环缩合反应,用于合成螺[pyrimido [4,5 - b ]喹啉-5,5'-pyrrolo [2,3- d ]嘧啶]衍生物。