AI Article Synopsis
- Chiral aza-boraspirobifluorenes were synthesized and their structural and photophysical properties were analyzed.
- Enantiomers were separated using chiral HPLC, and their absolute stereochemistry was confirmed through comparison of experimental and theoretical circular dichroism spectra.
- A kinetic analysis showed that the racemization process is primarily determined by the cleavage of the B-N bond.
Article Abstract
We have synthesized chiral aza-boraspirobifluorenes and evaluated their structural and photophysical properties. Enantiomers were separated by chiral HPLC on a semi-preparative scale, and the absolute stereochemistry was determined by comparison of experimental circular dichroism (CD) spectra and theoretical electronic CD (ECD) spectra. A kinetic analysis combined with theoretical calculations revealed that the rate-determining step of the racemization involves the cleavage of the B-N bond.
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| http://dx.doi.org/10.1039/d2dt03303h | DOI Listing |
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Synthesis and stereochemistry of chiral aza-boraspirobifluorenes with tetrahedral boron-stereogenic centers.
Dalton Trans
November 2022
Department of Chemistry, Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan.
Article Synopsis
- Chiral aza-boraspirobifluorenes were synthesized and their structural and photophysical properties were analyzed.
- Enantiomers were separated using chiral HPLC, and their absolute stereochemistry was confirmed through comparison of experimental and theoretical circular dichroism spectra.
- A kinetic analysis showed that the racemization process is primarily determined by the cleavage of the B-N bond.
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