Transition-Metal-Free Cross-Coupling by Using Tertiary Benzylic Organoboronates

被引:21
|
作者
Takeda, Mitsutaka [1 ]
Nagao, Kazunori [1 ]
Ohmiya, Hirohisa [1 ,2 ]
机构
[1] Kanazawa Univ, Div Pharmaceut Sci, Grad Sch Med Sci, Kakuma Machi, Kanazawa, Ishikawa 9201192, Japan
[2] PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan
关键词
cross-coupling; quaternary carbon centers; alkylation; tertiary alkylboronates; transition-metal-free; VICARIOUS NUCLEOPHILIC-SUBSTITUTION; ALPHA-BORYL CARBANIONS; AROMATIC-SUBSTITUTION; ATE COMPLEXES; ARYL; BOND; ARYLATION; SECONDARY; NITRILES; ESTERS;
D O I
10.1002/anie.202010251
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The transition-metal-free cross-coupling of alkyl or aryl electrophiles by using tertiary benzylic organoboronates is reported. This reaction involves the generation of tertiary alkyl anions from organoboronates in the presence of an alkoxide base and then their substitution reactions. This protocol allows the simple and efficient construction of quaternary carbon centers.
引用
收藏
页码:22460 / 22464
页数:5
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