A new approach to the construction of .beta.-alkoxy-substituted cyclic ethers via the intramolecular cyclization of .omega.-trialkylplumbyl and .omega.-trialkylstannyl ether acetals
A new approach to the construction of .beta.-alkoxy-substituted cyclic ethers via the intramolecular cyclization of .omega.-trialkylplumbyl and .omega.-trialkylstannyl ether acetals