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Synthesis of chiral boranes via asymmetric insertion of carbenes into B-H bonds catalyzed by the rhodium(I) diene complexстатья
- Авторы: Ankudinov Nikita M., Komarova Alina, Podyacheva Evgeniya, Chusov Denis, Danshina Anastasia, Perekalin Dmitry S.
- Журнал: Chemical Communications
- Год издания: 2024
- Издательство: Royal Society of Chemistry
- Местоположение издательства: United Kingdom
- DOI: 10.1039/d4cc02969k
- Аннотация: Molecules with chiral boron atoms have been scarcely studied due to limited synthetic access. Herein we report a new method for their synthesis via asymmetric insertion of arydiazoacetates into B-H bonds of prochiral carbene-boranes NHC-BH2R. The reaction is catalyzed by the rhodium(I) complex with the chiral diene ligand tBu2-TFB, which can be conveniently prepared by diastereoselective coordination of the racemic diene with (S-Salox)Rh(CO)2. The target boranes were typically obtained in 75-90% yields with 90-95% ee.
- Добавил в систему: Перекалин Дмитрий Сергеевич
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