Patent ID: 6903224

Claim:
A compound selected from the group consisting of: cis- and trans-2-ethoxycarbonyl-5-hydroxy-1,3-oxathiolane; cis- and trans-2-ethoxycarbonyl-5-acetoxy- 1,3-oxathiolane; cis- and trans-2-ethoxycarbonyl-5-(methoxycarbonyloxy)-1,3-oxathiolane; cis- and trans-2-t-butyldiphenylsilyloxy-methyl-5-(methoxycarbonyloxy)-1,3-oxathiolane; cis- and trans-2-benzoyloxymethyl-5-(2-methoxyethoxy)-1,3-oxathiolane; cis- and trans-2-hydroxymethyl-5-hydroxy-1,3-oxathiolane; and cis- and trans-2-acetoxymethyl-1,3-oxathiolane.