One pot, three-component synthesis of novel 3,4-dihydrophthalazin-2(1H)-yl-4-phenyl-4H-pyrans
作者:P. Praveen Kumar、Y. Dathu Reddy、Ch. Venkata Ramana Reddy、B. Rama Devi、P.K. Dubey
DOI:10.1016/j.tetlet.2014.02.020
日期:2014.4
Green and efficient one pot, three-component synthesis of novel 2-amino-6-(1,4-dioxo-3,4-dihydrophthalazin)-2(1H)-yl-4-phenyl-4H-pyran-3,5-dicarbonitriles 6 has been developed by condensing 3-(1,4-dioxo-3,4-dihydrophthalazin-(1H)-yl)-3-oxopropanenitrile 3, benzaldehydes 4 and active methylene compounds 5 using l-proline as catalyst in EtOH at RT.
绿色高效的一锅三组分合成新型2-氨基-6-(1,4-二氧代-3,4-二氢酞嗪)-2(1 H)-基-4-苯基-4 H-吡喃-3 ,5-二腈6已经开发通过缩合3-(1,4-二氧代-3,4- dihydrophthalazin-(1 ħ) -基)-3-氧代丙腈3,苯甲醛4和活性亚甲基化合物5使用升-脯氨酸作为室温下,在EtOH中添加催化剂