New class of P-stereogenic chiral Brønsted acid catalysts derived from chiral phosphinamides
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Add time:08/26/2019 Source:sciencedirect.com
A new class of NH Brønsted acid organocatalysts that feature P-stereogenic chirality was developed. These catalysts were prepared from P-stereogenic chiral phosphinamides and show similar reactivity to BINOL derived phosphoric acid toward the reduction of quinolines via transfer hydrogenation. It shows that stereoselectivity is induced by the P-chiral environment that is created by the substituents attached to the phosphorous atom, which can be readily tuned and modified.
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