SYNTHESIS OF PARA-BRIDGED BENZENE COMPOUNDS

Abstract

2-5 Tetradecamethylene and 2-5 decamethylene phthalic anhydride have been obtained by dehydrogenation of the corresponding tetrahydro compounds. A 10-membered para-bridged acyloin, VI, has also been obtained in 70% yield by ring closure. From these results it is concluded that it should be possible to synthesize compounds with para-bridges containing less than 10 carbons.