Three-component Strategy for Synthesis of Dihydropyrido[2,3-<i>d</i>
]pyrimidine and Spirooxindole Derivatives
作者:Ting Sun、Hongdie Li、Zhaoqi Wu、Chunmei Li、Xiaorong Ren、Furen Zhang
DOI:10.1002/jhet.3278
日期:2018.10
derivatives, including 2,8‐diamino‐5‐aryl‐5,10‐dihydropyrido[2,3‐d:6,5‐d′]dipyrimidine‐4,6(3H,7H)‐diones and 2,2′‐diamino‐3H‐spiro [pyrimido[4,5‐b]quinoline‐5,5′‐pyrrolo[2,3‐d]pyrimidine]‐4,4′,6′(3′H,7′H,10H)‐triones, were synthesized via one‐pot method using Y (OTf)3 as catalyst. The reaction was performed in aqueous media using readily available and inexpensive 2,6‐diaminopyrimidin‐4(3H)‐one and aromatic
一系列杂环化合物衍生物,包括2,8-二氨基-5-芳基-5,10-二氢吡啶并[2,3- d:6,5 - d ']双嘧啶-4,6(3 H,7 H)-二酮和2,2'-二氨基-3 H-螺[pyrimido [4,5 - b ]喹啉-5,5'-pyrrolo [2,3- d ]嘧啶] -4,4',6'(3' ħ,7' ħ,10 ħ)-triones,分别经由一锅方法,使用Y(OTF)合成3作为催化剂。反应是在水性介质中使用容易获得的廉价2,6-二氨基嘧啶-4(3 H)一和芳香醛为底物。本方法学显示出诱人的特性,例如使用水作为绿色反应介质,催化剂的催化效率高,简单的一锅法,易于处理/纯化和优异的收率。