A Theoretical Study on Methylation of 5-Amino-4-ethoxycar-bonyl-3-(4,6-dimethyl-pyrimidin-2-ylamino)-1 H-pyrazole
REN Xue-Ling* ,1,HU Fang-Zhong 2,WU Chao 2,CHEN Xun,YANG Hua-Zheng 2
Chin. J. Org. Chem. . 2006, (05): 711 -714 .