Esterification of Carboxylic Acids with Alcohols by 4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methyl-morpholinium Chloride (DMTMM) - Kunishima, Munetaka; Morita, Jun; Kawachi, Chiho; Iwasaki, Fumiaki; Terao, Keiji; Tani, Shohei (Synlett, 1999)