Upon microwave irradiation, a ring proton at the 4-position and protons at the 2-methyl positions of dimetridazole, 1,2-dimethyl-5-nitroimidazole, and metronidazole, 1-(2-hydroxyethyl)-2-methyl-5-nitroimidazole, were selectively and rapidly exchanged with deuterium at an exchange efficiency in excess of 98 atom % within 30 min.
在微波辐射作用下,4位的环质子以及二甲基
咪唑类(dimetridazole)、1,2-二甲基-5-硝基
咪唑类(1,2-dimethyl-5-nitroimidazole)和
甲硝唑(metronidazole)、1-(2-羟乙基)-2-甲基-5-硝基
咪唑类(1-(2-hydroxyethyl)-2-methyl-5-nitroimidazole)上的2-甲基位置的质子选择性且快速地与
氘发生交换,在30分钟内交换效率超过98原子%。