摘要
介绍了以生产香兰素主要副产物N,N—二甲基对苯二胺为原料,通过缩合、闭环等反应,以75%总收率合成了标题化合物。元素分析、色谱-质谱联用、红外光谱及′HNMR谱等鉴定结果证明,该合成的化合物是一种纯度高,熔点为154℃~155℃的红棕色针状晶体,分子结构式为:
The title compound was synthesized in the total yield of 75% by condensation and cyclization and using N,N-dimethyl-p-phenylene-diamine of vanillin′s by-product as raw materials.It has been proved that the compound is red-brown needlelike crystals of high purity and mp=154℃~155℃ and the molecular structural formula is OONNCH3CH3by elementary analysis,infra-red spectrum,GC-MS and ′H NMR spectrum.
出处
《陕西化工》
CAS
CSCD
1997年第4期26-28,31,共4页
Applied Chemical Industry
关键词
二甲氨基
苯基
马来酰亚胺
1[4(dimethylamino)phenyl]maleimide,vanillin,N,N-dimethyl-p-phenylene-diamine,maleamic acid,maleimide