Selective<i>N</i>-methylation of ethyl esters of 3-(1<i>H</i>-imidazol-4-yl)-2-propenoic acid
作者:H. Mawlawi、M. C. Monje、A. Lattes、M. Rivère
DOI:10.1002/jhet.5570290643
日期:1992.10
Methods of selective methylation of the nitrogen atoms of the ethyl ester of 3-(1H-imidazol-4-yl)-2-propenoic acid are reported. The nitrogen atom α to the ethylenic chain was methylated after protection of the β nitrogen with a phenacyl group.
报道了3-(1H-咪唑-4-基)-2-丙酸的乙酯的氮原子的选择性甲基化的方法。用苯甲酰基保护β氮后,烯键上的氮原子α被甲基化。