Reductive Difunctionalization of Aryl Alkenes with Sodium Metal and Reduction-Resistant Alkoxy-Substituted Electrophiles
- Mizuki FukazawaMizuki FukazawaDepartment of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, JapanMore by Mizuki Fukazawa,
- Fumiya TakahashiFumiya TakahashiDepartment of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, JapanMore by Fumiya Takahashi,
- Keisuke Nogi*Keisuke Nogi*Email: [email protected]Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, JapanMore by Keisuke Nogi,
- Takahiro SasamoriTakahiro SasamoriGraduate School of Natural Sciences, Nagoya City University, Yamanohata 1, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8501, JapanMore by Takahiro Sasamori, and
- Hideki Yorimitsu*Hideki Yorimitsu*Email: [email protected]Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, JapanMore by Hideki Yorimitsu
Abstract

A general method for alkali-metal-promoted reductive difunctionalization of alkenes has been developed by means of reduction-resistant alkoxy-substituted electrophiles. A series of 1,2-diboration and 1,2-dicarbofunctionalization products can be synthesized by employing trimethoxyborane and strained cyclic ethers such as oxirane and oxetane. In addition, unsymmetrical carbo- or thioborations have been accomplished via sequential treatment with trimethoxyborane and carbon or sulfur electrophiles.
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