(2R,3R)-1,4-Dioxa-spiro-[4.4]nonane-2,3-di-carb-oxy-lic and (2R,3R)-1,4-dioxa-spiro-[4.5]decane-2,3-di-carb-oxy-lic acids.

ABSTRACT: The title compounds, C₉H₁₂O₆ and C₁₀H₁₄O₆, were formed by careful hydrolysis of the corresponding diethyl esters. Their single crystals were grown from an ethyl acetate/hexane mixture. Crystals of both compounds have monoclinic (P2₁) symmetry with a single mol-ecule in the asymmetric unit. Both crystal structures are very similar and display four -CO-OH⋯O=C(OH)- hydrogen bonds, forming a two-dimensional double-layered framework.

SUBMITTER: Minyaev ME 

PROVIDER: S-EPMC6073000 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature