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9,9-Dioctyl-2,7-bis-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)-9H-fluorene. 2008

Eric Gagnon, and Dominic Laliberté

In the title mol-ecule, C(41)H(64)B(2)O(4), the fluorene unit is essentially planar and the two octyl chains attached to the central C atom inhibit the mol-ecule from engaging in inter-molecular aromatic inter-actions. One of the octyl chains adopts a fully extended conformation, whereas the second incorporates a single gauche conformation. Of the two pinacolatoboronate groups attached at the 2,7-positions, one is partly disordered; one ring C atom and all four methyl groups are disordered equally over two positions.

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