首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >44-Di­fluoro-23;56-bis­(tetra­methylene)-4-bora-3a4a-di­aza-s-indacene (LD540)
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44-Di­fluoro-23;56-bis­(tetra­methylene)-4-bora-3a4a-di­aza-s-indacene (LD540)

机译:44-二氟-23; 56-双(四亚甲基)-4-硼3a4a-二氮杂-s-茚并四烯(LD540)

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摘要

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—H⋯F inter­actions link the mol­ecules into inversion dimers. Neighbouring dimers are linked by further C—H⋯F inter­actions, forming an infinite array. C—H⋯π and π–π [centroid–centroid distance = 4.360 (3) Å] inter­actions are observed between the BODIPY core and the tetra­methyl­ene substituents of neighbouring dimer pairs.
机译:标题化合物C18H21BF2N2是基于BODIPY荧光团骨架的亲脂性染料,已开发用于脂滴的显微成像;该分子具有平面BODIPY核心[吡咯环之间的二面角= 2.3°(3)°],并且在半椅构型的2,3-和5,6-位具有两个四甲基亚甲基取代基。四甲基亚甲基取代基之一在两两套位点上是无序的,位点占有率为0.5。在晶体中,成对的CHF相互作用将分子连接成反相二聚体。相邻的二聚体通过进一步的CHF相互作用连接,从而形成无限阵列。在BODIPY核与相邻二聚体对的四甲基亚甲基取代基之间观察到C-H⋯π和π-π[质心-质心距离= 4.360(3)Å]相互作用。

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