N,N-Bis(trimethylsilyl)methoxymethylamine as a Convenient Synthetic Equivalent for +CH2NH2: Primary Aminomethylation of Esters ... Kohji Okano, Toshiaki Moiimoto, and Minoru Sekiya” Shizuoka College of Pharmacy, Oshika, Shizuoka 422, Japan ... The introduction of a primary aminomethyl unit at the a position of esters can be achieved in high yield by the silyl t rif lu or0 met ha nesu I p honate-cata I ysed react ion of ketene si I yl aceta Is (2) with N, ...