Simple Three-Component Method for the Synthesis of Spiroindeno[1,2-<i>b</i>]pyrido[2,3-<i>d</i>]pyrimidine-5,3′-indolines
作者:Ghazaleh Imani Shakibaei、Afsaneh Feiz、Hamid Reza Khavasi、Ali Abolhasani Soorki、Ayoob Bazgir
DOI:10.1021/co1000053
日期:2011.1.10
An efficient, simple, and catalyst-free synthesis of spiroindeno[1,2-b]pyrido[2,3-d]pyrimidine-5,3′-indolines and spiroacenaphthylene-1,4′-indeno-1,5′-pyrido[2,3-d]pyrimidines by the three-component reaction of 1,3-indandione, amino uracils and isatins or acenaphthylene-1,2-dione in refluxing ethanol is reported.
螺啶[1,2- b ]吡啶基[2,3 - d ]嘧啶-5,3'-二氢吲哚和螺ac烯-1,4'-indeno-1,5'-的高效,简单且无催化剂的合成据报道,在回流的乙醇中,通过1,3-茚满二酮,氨基尿嘧啶和靛红或ena-1,2-二酮的三组分反应生成吡啶并[2,3- d ]嘧啶。
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。