Cyanamides in cyclization reactions with anthranilates, 2-aminophenyl ketones, and methyl 2-(3-oxopiperazin-2-yl)acetate
作者:Kh. S. Shikhaliev、A. S. Shestakov、S. M. Medvedeva、N. V. Gusakova
DOI:10.1007/s11172-008-0025-8
日期:2008.1
Cyclization of aryl-, aroyl-, and (4,6-dimethylpyrimidin-2-yl)cyanamides with methyl anthranilates, 2-aminophenyl ketones, and methyl 2-(3-oxopiperazin-2-yl)acetate leads to 2-amino-3,4-dihydroquinazolin-4-one, 2-aminoquinazoline, and 6-amino-1,3,4,8,9,9a-hexahydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione derivatives, respectively.
芳基-、芳酰基-和(4,6-二甲基嘧啶-2-基)氰胺与邻氨基苯甲酸甲酯、2-氨基苯基酮和2-(3-氧代哌嗪-2-基)乙酸甲酯环化生成2-氨基- 3,4-二氢喹唑啉-4-one、2-氨基喹唑啉和6-氨基-1,3,4,8,9,9a-六氢-2H-吡嗪并[1,2-c]嘧啶-1,8-二酮衍生品,分别。