9,9-Dibutyl-9H-fluorene-2-carbonitrile
نویسندگان
چکیده
The fluorene fragment of the title compound, C(22)H(25)N, is essentially planar, with an r.m.s deviation of the five-membered ring of 0.005 (2) Å. The dihedral angle between this ring and the outer benzene rings are 1.5 (2) and 0.7 (2)° while that between the benzene rings is 2.1 (2)°. The cyano group makes an angle of 0.3 (2)° with the attached benzene ring.
منابع مشابه
Synthesis of a highly luminescent three-dimensional pyrene dye based on the spirobifluorene skeleton.
We have synthesized a highly luminescent (log e > 5.0, F > 0.9) pyrene dye based on a spirobifluorene skeleton [2,2',7,7'-tetrakis(7-tert-butyl-1-pyrenyl)-9,9'-spirobi[9H-fluorene; 4-PySBF]. The use of spirobifluorene prevents fluorescence quenching by intramolecular energy transfer and/or electron transfer among the chromophores in the excited state. The emission spectra of 4-PySBF exhibited a...
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In the title compound, C(25)H(22)O, the dihedral angle between the benzofuran and fluorene ring systems is 9.06 (6)°, and that between the two benzene rings of the fluorene system is 1.78 (12)°. Weak inter-molecular C-H⋯π inter-actions help to stabilize the crystal structure.
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2012