Highly enantioselective Michael addition reactions with new trimeric chiral phase transfer catalysts

被引：11

作者：

Beneto, Arockiam Jesin ^{[1
]}

Sivamani, Jayaraman ^{[1
]}

Ashokkumar, Veeramanoharan ^{[1
]}

Balasaravanan, Rajendiran ^{[1
]}

Duraimurugan, Kumaraguru ^{[1
]}

Siva, Ayyanar ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Dept Inorgan Chem, Madurai 625021, Tamil Nadu, India

来源：

NEW JOURNAL OF CHEMISTRY | 2015年 / 39卷 / 04期

关键词：

ASYMMETRIC ALKYLATIONS; EFFICIENCY; MALONATE; ANIONS; BASE; SALT;

D O I：

10.1039/c4nj02395a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New types of mesitylene based tri-site containing asymmetric quaternary ammonium salts 9a and 9b have been prepared and used as efficient chiral phase transfer catalysts for enantioselective Michael addition reactions between the chalcones and diethylmalonate under mild reaction conditions such as lower concentration of base, catalyst and ultrasonic conditions with very good chemical yields (up to 98%) and ee's (up to 99%).

引用

页码：3098 / 3104

页数：7

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