Direct phosphorylation of 4-(1-cyclopent-1-enyl)anisole with PBr3 was carried out. The resulting compound initially exists in two tautomeric forms. Isolation of the dibromophosphine and its further transformations lead to formation of a single tautomer.
Direct phosphorylation of 4-(1-cyclopent-1-enyl)anisole with PBr3 was carried out. The resulting compound initially exists in two tautomeric forms. Isolation of the dibromophosphine and its further transformations lead to formation of a single tautomer.