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Digitale Medien

Cyclodec-2′-ynyl (1S,1′R)-(–)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate (2001)

Zelder, Claudia ; Schürmann, Markus ; Preut, Hans ; [weitere]

Copenhagen : International Union of Crystallography (IUCr)

Acta crystallographica 57 (2001), S. o216-o217

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Details

ISSN: 1600-5368

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

Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik

Notizen: The synthesis and the crystal structure analysis via X-ray diffraction of the title compound, C20H28O4, (I), are described. The title compound is a camphanic acid cyclodecynyl ester. This compound contains a ten-membered ring including a triple bond and is prepared by condensation of (1S)-(−)-camphanic acid chloride with (R)-(+)-cyclodec-2-yn-1-ol [(II), 90% ee]. This alcohol [Hanack & Wächter (1987). Chem. Ber. 120, 727–734] has been isolated by kinetic deracemization of the corresponding acetate [Zelder (2001). PhD Thesis. In preparation] with the lipase from mucor miehei. With this structure analysis, the configuration of (II) was determined.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1107/S1600536801002380

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