Palladium-catalyzed intermolecular asymmetric hydroamination with 4,4′-disubstituted BINAP and SEGPHOS

被引：70

作者：

Hu, Aiguo

Ogasawara, Masamichi

Sakamoto, Takeshi

Okada, Atsushi

Nakajima, Kiyohiko

Takahashi, Tamotsu

Lin, Wenbin

机构：

[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA

[2] Hokkaido Univ, Catalysis Res Ctr, Kita Ku, Sapporo, Hokkaido 0010021, Japan

[3] Hokkaido Univ, Grad Sch Pharmaceut Sci, Kita Ku, Sapporo, Hokkaido 0010021, Japan

[4] JST, SORST Japan, Kita Ku, Sapporo, Hokkaido 0010021, Japan

[5] Aichi Univ Educ, Dept Chem, Kariya, Aichi 4488542, Japan

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2006年 / 348卷 / 15期

关键词：

asymmetric catalysis; chiral amine; hydroamination; palladium; phosphine;

D O I：

10.1002/adsc.200606208

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A family of tunable precatalysts [Pd((S)-L*)(NCMe)(2)](OTf)(2), where L* is 4,4'-disubstituted BINAP or SEGPHOS, was synthesized and used for the asymmetric intermolecular hydroamination of aniline to vinylarenes with ee values of up to 85 %, and it is believed that the bulky groups on the 4,4'-positions and the narrower dihedral angle of the biaryl moiety are responsible for the ee enhancement in these reactions.

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页码：2051 / 2056

页数：6

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