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Synthesis, structural characterization, and chiroptical properties of planarly and axially chiral boranils
2‐Amino[2.2]paracyclophane reacts with salicylaldehyde or 2‐hydroxyacetophenone to yield imines that then give access to a new series of boranils (8b–d) upon complexation with BF2. These novel boron‐containing compounds display both planar and axial chiralities and were examined experimentally and c...
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Published in: | Chirality (New York, N.Y.) N.Y.), 2023-04, Vol.35 (4), p.227-246 |
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Main Authors: | , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | 2‐Amino[2.2]paracyclophane reacts with salicylaldehyde or 2‐hydroxyacetophenone to yield imines that then give access to a new series of boranils (8b–d) upon complexation with BF2. These novel boron‐containing compounds display both planar and axial chiralities and were examined experimentally and computationally. In particular, their photophysical and chiroptical properties were studied and compared to newly prepared, simpler boranils (9a–d) exhibiting axial chirality only. Less sophisticated chiral architectures were shown to demonstrate overall stronger circularly polarized luminescence (CPL) activity.
Novel circularly polarized fluorescent boranil derivatives, displaying planar and/or axial chirality, are described and analyzed in detail. |
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ISSN: | 0899-0042 1520-636X |
DOI: | 10.1002/chir.23537 |