828933-83-1Relevant articles and documents
Diastereoselective [4+2] reactions of o-quinone methides with a chiral enol ether: Asymmetric synthesis of (+)-R-mimosifoliol
Selenski, Carolyn,Mejorado, Lupe H.,Pettus, Thomas R. R.
, p. 1101 - 1103 (2007/10/03)
The first examples of enantioselective [4+2] cycloadditions of o-quinone methides (o-QMs) are reported. Their cycloaddition with trans-2-phenyl-1- cyclohexanol derived vinyl ether produces chiral benzopyrans. This procedure offers access to chiral aliphat