Revisiting Borylanilines: Unique Solid-State Structures
and Insight into Photophysical Properties
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Abstract
The
structure and photophysical properties of two known borylanilines,
4-(dimesitylboryl)aniline (<b>1</b>) and 4-(dimesitylboryl)-3,5-dimethylaniline
(<b>2</b>), have been investigated. <b>1</b> and <b>2</b> have similar donor and acceptor centers but differ in their
molecular conformations. Compounds <b>1</b> and <b>2</b> have been structurally characterized, and they exhibit a rare form
of intermolecular N–H- - -π electrostatic
interactions. The structure and photophysical properties of <b>1</b> and <b>2</b> are discussed in the context of computational
results