Summary DTBMS triflate, readily available from dichloromethylsilane, provides carboxylic esters which resist reduction by hydridoaluminate or acid catalyzed hydrolysis, and vinylogous esters (enol ethers of hydroxymethylene ketones) which resist 1, 4-addition of methyllithium.
[Harrison, Kathleen A.; Davies, Sean S.; Marathe, Gopal K.; McIntyre, Thomas; Prescott, Stephen; Reddy, Komandla M.; Falck; Murphy, Robert C. Journal of Mass Spectrometry, 2000 , vol. 35, # 2 p. 224 - 236]