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Kinetic Resolution of α-Hydroxyamide via N-Heterocyclic Carbene-Catalyzed Acylation
被引:9
|作者:
Yamada, Ken-ichi
[1
,2
]
Yamauchi, Akiho
[1
]
Fujiwara, Tatsuya
[1
]
Hashimoto, Keiji
[1
]
Wang, Yinli
[1
,3
]
Kuwano, Satoru
[3
]
Inokuma, Tsubasa
[1
,2
]
机构:
[1] Tokushima Univ, Grad Sch Pharmaceut Sci, Shomachi, Tokushima 7708505, Japan
[2] Tokushima Univ, Res Cluster Innovat Chem Sensing, Shomachi, Tokushima 7708505, Japan
[3] Kyoto Univ, Grad Sch Pharmaceut Sci, Sakyo Ku, Kyoto 6068501, Japan
关键词:
acylation;
alpha-hydroxyamide;
catalytic kinetic resolution;
N-heterocyclic carbene;
organocatalysis;
CARBOXYLIC-ACIDS;
AMINO-ALCOHOLS;
LEAVING GROUP;
DERIVATIVES;
CYCLIZATION;
CONVERSION;
D O I:
10.1002/ajoc.202200452
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
The effect of N-substituent of alpha-hydroxyamides on the performance of chiral N-heterocyclic carbene-catalyzed kinetic resolution was examined. N-tert-Butyl-alpha-hydroxyamides provided the best performance and underwent enantioselective acylation with alpha-bromo aldehyde by chiral N-heterocyclic carbene/carboxylate anion co-catalysis to realize kinetic resolution in high selectivity factor up to 128.
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