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(5S*,6R*)-1,7-Dioxadispiro[4.0.4.4]tetradecane-2,8-dione (2000)

Roggenbuck, Rafael ; Schürmann, Markus ; Preut, Hans ; [et al.]

Oxford [u.a.] : International Union of Crystallography (IUCr)

Acta crystallographica 56 (2000), S. e356-e356

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ISSN: 1600-5759

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Chemistry and Pharmacology , Geosciences , Physics

Notes: The title compound, C12H16O4, (I), was prepared by oxidation of (5S*,6R*)-1,7-dioxadispiro[4.0.4.4]tetradecane-2,8-diol using silver(I) carbonate and posesses a cis configuration of the two five-membered-ring lactones fused spiro to the six-membered carbocycle, which has a chair conformation. It represents an exceptional structure for bis-tetrahydrofuran units, which are interesting building blocks in natural products. The synthesis, spectroscopic data and X-ray structural analysis are described. The crystal contains discrete molecules separated by normal van der Waals distances.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S0108270100009173

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