Categories: C-B Bond Formation > Synthesis of boranes >
Synthesis of benzylboranes
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Rh-catalyzed B-H bond insertion of carbenes generated in situ from
tosylhydrazones into stable borane adducts enables a promising method for
organoborane synthesis. In addition, by using chiral dirhodium catalysts, an
asymmetric version of the reaction with very good enantioselectivities was
achieved. The products could be easily transformed into chiral alcohols and
other widely used organoboron reagents with enantiomeric fidelity.
Y. Pang, Q. He, Z.-Q. Li, J.-M. Yang, J.-H. Yu, S.-F. Zhu, Q.-L. Zhou, J. Am. Chem. Soc.,
2018,
140, 10663-10668.
Rh-catalyzed B-H bond insertion of carbenes generated in situ from
tosylhydrazones into stable borane adducts enables a promising method for
organoborane synthesis. In addition, by using chiral dirhodium catalysts, an
asymmetric version of the reaction with very good enantioselectivities was
achieved. The products could be easily transformed into chiral alcohols and
other widely used organoboron reagents with enantiomeric fidelity.
Y. Pang, Q. He, Z.-Q. Li, J.-M. Yang, J.-H. Yu, S.-F. Zhu, Q.-L. Zhou, J. Am. Chem. Soc.,
2018,
140, 10663-10668.