Synthesis of Isotopic Atropisomers Based on C/C Discrimination.

J Org Chem

Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan.

Published: July 2023

Quinazolin-4-one derivatives possessing an isotopic atropisomerism (isotopic N-C axial chirality) based on -CH/CH discrimination were prepared. The diastereomeric quinazolin-4-ones bearing an asymmetric carbon as well as an isotopic atropisomerism were clearly discriminated by H and C NMR spectra and revealed to possess high rotational stability and stereochemical purity.

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http://dx.doi.org/10.1021/acs.joc.3c01004DOI Listing

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