A facile Ph 3 P/CO 2 mediated, one-pot synthesis of 2-oxazolidinones from 1,2-azido alcohols via phosphazene and isocyanate intermediates

A facile, efficient and convenient method has been developed for the one-pot synthesis of 2-oxazolidinones from the corresponding 1,2-azido alcohols via phosphazene and isocyanate intermediates in presence of Ph 3 /CO 2 in toluene.