The paper describes industrially scalable synthesis and single crystal studies of 3-cyclopropyl-3,4-dihydroquinazolin-2(1H)-one4, a versatile intermediate in the synthesis of number of biologically active compounds. The target compound has been characterized by LC-MS, 1H NMR and IR. The crystal structure analysis shows that the title compound crystallizes in monoclinic classunder the space groupP 1 21/n 1with cell parameters, a = 10.273(2) Å, b = 8.3227(19) Å, c = 11.623(3) Å, β = 104.980(3)°, V = 960.0(4) Å3and Z=4.
该论文描述了3-环丙基-3,4-二氢
喹唑啉-2(1H)-酮4的工业可扩展合成和单晶研究,该化合物是合成多种
生物活性化合物中的通用中间体。目标化合物的特征已通过LC-MS、1H NMR和IR确定。晶体结构分析显示,标题化合物在单斜晶系中结晶,空间群为P 1 21/n 1,晶胞参数为a = 10.273(2) Å、b = 8.3227(19) Å、c = 11.623(3) Å、β = 104.980(3)°、V = 960.0(4) Å3和Z=4。