Synthesis of 2-iminoimidazolidin-4-one derivatives by cyclization of 2-aryl-1-(4,6-dimethylpyrimidin-2-yl)guanidines with ethyl bromoacetate, dimethyl acetylenedicarboxylate, and maleic anhydride
作者:A. S. Shestakov、O. E. Sidorenko、Kh. S. Shikhaliev
DOI:10.1007/s11172-007-0216-8
日期:2007.7
Derivatives of 2-iminoimidazolidin-4-one, (E)-methyl (2-imino-5-oxoimidazolidin-4-ylidene)acetate, and (2-imino-5-oxo-imidazolidin-4-yl)acetic acid were synthesized by the cyclization of 2-aryl-1-(4,6-dimethylpyrimidin-2-yl)guanidines with ethyl bromoacetate, dimethyl acetylenedicarboxylate, and maleic anhydride, respectively.
2-亚氨基咪唑烷-4-酮、(E)-甲基(2-亚氨基-5-氧代咪唑烷-4-亚基)乙酸和(2-亚氨基-5-氧代-咪唑烷-4-基)乙酸的衍生物分别通过2-芳基-1-(4,6-二甲基嘧啶-2-基)胍与乙基溴乙酸酯、乙炔二羧酸二甲酯和马来酸酐的环化反应合成。