Crystal structure of 5-O-benzoyl-2,3-O-iso­propyl­idene-d-ribono-1,4-lactone

In the title compound, C(15)H(16)O(6), obtained from the acyl­ation reaction between 2,3-O-iso­propyl­idene-d-ribono-1,4-lactone and benzoyl chloride, the known absolute configuration for the lactone moiety of the ester substituent has been confirmed. The five-membered rings of the bicyclic lactone–dioxolane moiety both show envelope conformations and form a dihedral angle of 19.82 (7)° between the lactone ring and the benzene ring. In the crystal, mol­ecules of the acyl­ated sugar are linked by very weak inter­molecular C—H⋯O inter­actions, forming a three-dimensional network.