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Enantioselective Intermolecular Benzylic C-H Amination under Chiral Paddle-Wheel Diruthenium Catalysis
被引:1
|作者:
Makino, Kotoko
[1
,2
]
Mori, Kohei
[1
,2
]
Kiryu, Shoichi
[1
]
Miyazawa, Taku
[1
]
Kumagai, Yuhei
[1
]
Higashida, Kosuke
[2
]
Kojima, Masahiro
[1
]
Yoshino, Tatsuhiko
[2
,3
]
Matsunaga, Shigeki
[1
,2
]
机构:
[1] Hokkaido Univ, Fac Pharmaceut Sci, Sapporo 0600812, Japan
[2] Kyoto Univ, Grad Sch Sci, Kyoto 6068502, Japan
[3] Kyoto Univ, Hakubi Ctr Adv Res, Kyoto 6068502, Japan
来源:
ACS CATALYSIS
|
2024年
/
15卷
/
01期
基金:
日本学术振兴会;
关键词:
Ruthenium catalysis;
Asymmetric catalysis;
Nitrene;
C-H amination;
Chemoselectivity;
NITROGEN-ATOM TRANSFER;
C(SP(3))-H AMINATION;
DIRHODIUM TETRACARBOXYLATES;
STEREOSELECTIVE-SYNTHESIS;
BISMUTH-RHODIUM;
BONDS;
RUTHENIUM;
AZIRIDINATIONS;
FUNCTIONALIZATION;
AMIDATION;
D O I:
10.1021/acscatal.4c06504
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
A catalytic asymmetric intermolecular benzylic C-H amination was achieved under paddle-wheel diruthenium catalysis. A chiral diruthenium catalyst incorporating (S)-TPPTTL (tetraphenylphthaloyl-(S)-tert-leucine) ligand exhibited notable enantioselectivity, and aminated products were obtained with up to 99% ee. Unique chemoselectivity of the chiral diruthenium catalyst was also found for allylbenzene and alkyl-naphthalene substrates, demonstrating the complementary synthetic utility of chiral paddle-wheel Ru(II)-Ru(III) catalysts to Rh(II) counterparts.
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页码:523 / 528
页数:6
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