A. Bhaumik et T. Tatsumi, HIGHLY EFFICIENT AND REGIOSELECTIVE CYCLIZATION CATALYZED BY TITANIUMSILICATE-1, Chemical communications, (4), 1998, pp. 463-464
Highly regioselective cyclization of 3,4, 4,5 and 5,6 unsaturated alco
hols to tetrahydrofuranols and tetrahydropyranols is reported using th
e TS-1-H2O2 system for the first time.