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New esters of 1,4-cubanedicarboxylic acid, 1,4-(ROCO)2C8H6 (R=Et (3a), Pr (3b), CMe3 (3c), C6H13 (3d), CH2CF3 (3e), or CH(CF3)2 (3f) were synthesized. The structures of esters3a, 3b, 3e, and3f were established by X-ray diffraction analysis. The cubane framework of compound3b is somewhat distorted, whereas the C−C bond lengths and bond angles in the other compounds remain virtually ideal.
Key words1,4-cubanedicarboxylic acid esters X-ray diffraction analysis
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