8-(Biphenyl-4-yl)-8-hydroxypentacyclo[5.4.0.02,6.03,10.05,9]undecan-11-one ethylene ketal
نویسندگان
چکیده
The title compound, C(25)H(24)O(3), synthesized as a potential chiral catalyst, exhibits a range of C-C bond lengths in the penta-cyclo-undecane cage between 1.5144 (18) and 1.5856 (16) Å. The two benzene rings are not planar with respect to each other, but rather are twisted at a torsion angle of 34.67 (17)°. The mol-ecule has an intra-molecular O-H⋯O inter-action and participates in two C-H⋯O inter-molecular inter-actions to form a one-dimensional chain.
منابع مشابه
Crystal structure of the cage derivative pentacyclo[5.4.0.02,6.03,10.05,9]undeca-8,11-dione ethylene dithioketal
The title penta-cyclo-undecane cage derivative, C13H14OS2, was identified during a thio-ketalization reaction. The reaction selectively gave the title compound and the product corresponding to bis-ketal was not formed. The title compound exhibits unusual Csp (3)-Csp (3) single bond lengths ranging from 1.495 (3) to 1.581 (2) and strained bond angles as small as 89.29 (12) and as large as 115.11...
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