Construction of 2,3,4,5-tetrahydro-1,2,4-triazines via [4 + 2] cycloaddition of α-halogeno hydrazones to imines
作者:Hong-Wu Zhao、Hai-Liang Pang、Yu-Di Zhao、Yue-Yang Liu、Li-Jiao Zhao、Xiao-Qin Chen、Xiu-Qing Song、Ning-Ning Feng、Juan Du
DOI:10.1039/c6ra27767e
日期:——
In the presence of sodium carbonate, the [4 + 2] cycloaddition of α-halogeno hydrazones to imines proceeded readily, and furnished 2,3,4,5-tetrahydro-1,2,4-triazines in moderate to high chemical yields.
在碳酸钠的存在下,α-卤代[[4 + 2]环向亚胺的加成反应很容易进行,并以中等至高化学产率提供了2,3,4,5-四氢-1,2,4-三嗪。