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{2-[(9,9-Dihexyl-fluoren-2-yl)carbon-yl]phen-yl}(4-meth-oxy-phen-yl)methanone.

ABSTRACT: In the title compound, C(40)H(44)O(3), the fluorene ring system is essentially planar, with a maximum deviation of 0.075 (3) Å, and forms dihedral angles of 70.62 (8) and 70.31 (8)° with the mean planes of the central benzene ring and the meth-oxy-phenyl ring, respectively. Both the hexyl side chains have different conformations, i.e. an anti-gauche-anti-gauche conformation with C-C-C-C torsion angles of -169.3 (2), 74.2 (4), -178.0 (3) and -76.0 (6)° for one hexyl side chain and an anti-anti-anti-gauche conformation with C-C-C-C torsion angles of -177.9 (2), -176.5 (3), 171.7 (4) and 80.4 (9)° for the other. Four C atoms in one and two C atoms in the other hexyl side chains are each disordered over two sets of sites, with occupancy factors of 0.761 (3):0.239 (3) and 0.660 (6):0.340 (6). In the crystal, mol-ecules are via pairs of C-H⋯O hydrogen bonds, forming inversion dimers and resulting in R(2) (2)(28) graph-set motifs.

SUBMITTER: Narayanan P

PROVIDER: S-EPMC3393951 | biostudies-literature |

REPOSITORIES: biostudies-literature

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