Application of cyclic-1,3-diketones in domino and multicomponent reactions: facile route to highly functionalized chromeno[2,3-d]pyrimidinones and diazabenzo[b]fluorenones under solvent-free conditions
作者:Ram Kumar、Keshav Raghuvanshi、Rajiv K. Verma、Maya S. Singh
DOI:10.1016/j.tetlet.2010.09.017
日期:2010.11
A facile and efficient protocol for the synthesis of chromeno[2,3-d]pyrimidinones and diazabenzo[b]fluorenones has been developed by one-pot three-component cyclocondensation of aldehydes, cyclic-1,3-diketones and 1,3-dimethylbarbituric acid in the presence of InCl3 or P2O5 undersolvent-freeconditions.
通过一锅式三组分醛,环-1,3-二酮和1,3-三环缩合反应,开发了一种简便高效的合成铬诺[2,3- d ]嘧啶酮和二氮杂苯并[ b ]芴酮的方法。在无溶剂条件下,在InCl 3或P 2 O 5存在下的二甲基巴比妥酸。