Two convenient methods for the generation of “methylene meldrum's acid” for diels-alder reactions.
作者:John F. Buzinkai、David M. Hrubowchak、Francis X. Smith
DOI:10.1016/s0040-4039(00)98150-4
日期:1985.1
The transient isopropylidene methylenemalonate can be easily generated by treating either Meldrum's acid or diisopropylidene methylenedimalonate with formaldehyde, and trapped by reactive dienes.