An Efficient One-pot Synthesis of Novel Spiro Cyclic 2-Oxindole Derivatives of Pyrimido[4,5-<i>b</i>]Quinoline, Pyrido[2,3-<i>d</i>:6,5-<i>d′</i>]Dipyrimidine and Indeno[2′,1′:5,6]Pyrido [2,3-<i>d</i>]Pyrimidine in Water
作者:Amr Mohamed Abdelmoniem、Huwaida M. E. Hassaneen、Ismail Abdelshafy Abdelhamid
DOI:10.1002/jhet.2480
日期:2016.11
A novel and facile one‐pot synthesis of spiro cyclic 2‐oxindole derivatives of pyrimido[4,5‐b]quinoline‐4,6‐dione, pyrido[2,3‐d:6,5‐d′]dipyrimidine‐2,4,6‐trione, and indeno[2′,1′:5,6]pyrido [2,3‐d]pyrimidine employing 6‐aminothiouracil (or 6‐aminouracil), isatin, and cyclic 1,3‐diketone (e.g. 1,3‐indanedione, dimedone, or barbituric acid) has been developed.
嘧啶[4,5 - b ]喹啉-4,6-二酮,吡啶并[2,3- d:6,5 - d' ] dipyrimidine -2的螺环2-氧吲哚衍生物的新颖且简便的一锅合成,4,6-三酮和茚并[2',1':5,6]吡啶[2,3- d ]嘧啶,使用6-氨基硫氧嘧啶(或6-氨基尿嘧啶),靛红和环状1,3-二酮(例如1,3-茚满二酮,二甲酮或巴比妥酸。