期刊
CELL REPORTS PHYSICAL SCIENCE
卷 3, 期 12, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.xcrp.2022.101182
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资金
- National Natural Science Foundation of China [21861042, 22171240]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT17R94]
- Yunling Scholars of Yunnan Province
- Yunnan Province Government [YNQR-QNRC-2018-005, 202101AT070156]
- China National Postdoctoral Program for Innovative Talents [BX2021250]
- China Postdoctoral Science Foundation [2021M702776]
In this study, chiral acyclic secondary aminocatalysts are developed to address the challenge of asymmetric reactions involving acetaldehyde. These catalysts exhibit unique reactivity and selectivity, improving the activity and enantioselectivity of the reactions.
Catalytic asymmetric reactions of acetaldehyde, an inexpensive and versatile two-carbon nucleophile, still remain a challenge. Herein, chiral acyclic secondary aminocatalysts are developed as a means to address the difficult asymmetric reactions of acetaldehyde. The chiral acyclic secondary aminocatalysts exhibit unique reactivity and selectivity, which are not observable by using chiral cyclic sec-ondary aminocatalysts or primary aminocatalysts. The activity is demonstrated by introducing previously challenging chemical trans-formations such as asymmetric Mannich reactions and switching enantioselectivity where the same absolute configuration of chiral catalysts are used. In general, the chiral acyclic catalysts improve ac-tivity and enantioselectivity, broadening the possible substrate scope. This work lays the foundation for the transformation of acet-aldehyde with chiral acyclic secondary aminocatalysis and future work surrounding this class of aminocatalyst.
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