A New Selective Oxidation of N-Methyl to N-Formyl upon threo-(1 S,2 S)- 2-( N,N-Dimethylamino)-1-(4′-nitrophenyl)-1,3-propanediol
SHAN, Zi-Xing, LU, Guo-Jian
Chinese Journal of Organic Chemistry . 2004, (3): 325 -327 .