Julia Craig Lautens, M. Lautens, A. Lough
Dec 15, 1991
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Journal
Acta Crystallographica Section C-crystal Structure Communications
Abstract
Octahydro-5-phenyl-l,2,4-methenopenta- len-6-yl 3,3,3-trifluoro-2-methoxy-2-phenylpropano- ate, C25H23F303, Mr = 428.5, monoclinic, P2~, a = 10.747 (3), b = 7.975 (3), c = 12.435 (5) A, /~ = 92.81 (3) °, V= 1064.5 (12)/~3, Z= 2, Dx = 1.34 g cm -3, ,t(Mo Ka) = 0.71073 A, Iz = 0.98 cm -~, F(000) = 448, room temperature, R = 0.035 for 1523 observed reflections. The X-ray structure determina- tion establishes the relative stereochemistry. The C(sp3)---C(sp 3) bond distances range from 1.492 (6) to 1.554 (5)/~. Experimental. Hydroboration and oxidation of 5- phenyldeltacyclene followed by the reaction of the product alcohol with Mosher's acid chloride gave the desired compound (3).