(3-Isocyanato-4-methyl-phenyl)-carbamidsaeure-(2-methacryloyloxyethylester) 、 N,N'-Bis-<(2,4-dioxochroman-3-yliden)-methylen>-1,7-diamino-4-aza-heptan 在
对苯二酚 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以80%的产率得到N,N-Bis-<3-<(2,4-dioxochroman-3-yliden-methyl)amino>-propyl>-N'-<5-(2-methacryloyloxy-ethoxycarbonylamino)-2-methyl-phenyl>-harnstoff