论文部分内容阅读
N-甲基-N-亚硝基-N-硝基胍于-20℃滴加0.1mol/L 氢氧化钾,发生的重氮甲烷通过合适的弯管和阀(附
N-Methyl-N-nitroso-N-nitroguanidine 0.1mol / L potassium hydroxide was added dropwise at -20 ° C and the resulting diazomethane was passed through a suitable trap and valve