Patent ID: 8115019

Claim:
A tetrahydropyran compound with cis-substituents at C2 and C6 positions, represented by the following Chemical Formula 1: wherein the bond between R3 and the carbon of the ring is either single or double, R 1 and R 2 independently represent a C 1 -C 6 alkyl group, a C 6 -C 15 aryl C 1 -C 6 alkyl group, or a C 6 -C 15 aryl group, the aryl moiety being non-substituted or substituted with one to four substituents selected from a group consisting of a halogen, a nitro, and a C 1 -C 6 alkyl; and R 3 is acetyl which is attached to the carbon of the ring by a single bond or ethylidene triflate which is attached to the carbon of the ring by a double bond.