共 50 条
Enantioselective C(sp3)-H Amidation of Thioamides Catalyzed by a CobaltIII/Chiral Carboxylic Acid Hybrid System
被引:197
|作者:
Fukagawa, Seiya
[1
]
Kato, Yoshimi
[1
]
Tanaka, Ryo
[1
]
Kojima, Masahiro
[1
]
Yoshino, Tatsuhiko
[1
]
Matsunaga, Shigeki
[1
]
机构:
[1] Hokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Sapporo, Hokkaido 0600812, Japan
关键词:
asymmetric catalysis;
C-H activation;
chiral carboxylic acids;
cobalt;
thioamide;
C-H ACTIVATION;
CHIRAL CYCLOPENTADIENYL LIGANDS;
INTERMOLECULAR AMINATION;
SELECTIVE FUNCTIONALIZATION;
BIARYL COMPOUNDS;
BONDS;
ALKYLAMINES;
ACCESS;
COMPLEXES;
MECHANISM;
D O I:
10.1002/anie.201812215
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Recent advances in (CpMIII)-M-x catalysis (M=Co, Rh, Ir) have enabled a variety of enantioselective C(sp(2))-H functionalization reactions, but enantioselective C(sp(3))-H functionalization is still largely unexplored. We describe an asymmetric C(sp(3))-H amidation of thioamides using an achiral Co-III/chiral carboxylic acid hybrid catalytic system, which provides easy and straightforward access to chiral beta-amino thiocarbonyl and beta-amino carbonyl building blocks with a quaternary carbon stereocenter.
引用
收藏
页码:1153 / 1157
页数:5
相关论文