4,4-Difluoro-2,3;5,6-bis(tetramethylene)-4-bora-3a,4a-diaza-s-indacene (LD540)
Salorinne, K., Tero, T.-R., & Lahtinen, T. (2014). 4,4-Difluoro-2,3;5,6-bis(tetramethylene)-4-bora-3a,4a-diaza-s-indacene (LD540). Acta Crystallographica Section E : Structure Reports Online, 70(1), o74. https://doi.org/10.1107/S1600536813033448
Date
2014Discipline
Fysikaalinen kemiaOrgaaninen kemiaNanoscience CenterPhysical ChemistryOrganic ChemistryNanoscience CenterCopyright
© the Authors, 2014. This is an open access article published by IUCr.
The title compound, C18H21BF2N2, is a lipophilic dye based on
a BODIPY fluorophore backbone, which was developed for
microscopic imaging of lipid droplets; the molecule has a
planar BODIPY core [dihedral angle between the pyrrole
rings = 2.3 (3)] and two tetramethylene substituents at the
2,3- and 5,6-positions in a half-chair conformation. One of the
tetramethylene substituents is disordered over two two sets of
sites with site occupancies of 0.5. In the crystal, pairs of C—
HF interactions link the molecules into inversion dimers.
Neighbouring dimers are linked by further C—HF interactions,
forming an infinite array. C—H and –
[centroid–centroid distance = 4.360 (3) A˚ ] interactions are
observed between the BODIPY core and the tetramethylene
substituents of neighbouring dimer pairs.
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