作者:Esmat Tavakolinejad、Naeim Ghatali、Mohammad Reza Islami、Hojat Khabazzadeh
DOI:10.1080/10426500801963574
日期:2008.8.4
The readily available (DMAD DEAD) and triphenylphosphine undergo facile reaction with several urethanes such as methyl-N-phenylcarbamate, ethyl-N-phenylcarbamate, phenyl-N-phenylcarbamate, phenyl-N-(2-methylphenyl) carbamate and phenyl -N(3-methylphenyl)carbamate, to give crystalline phosphorus ylides in good yields. The overall sequence from a 1:1:1 reaction provides a simple and efficient rout to functionalized urethanes.