Asymmetric reduction of aliphatic ketones and acyl silanes using chiral anti-pentane-2,4-diol and a catalytic amount of 2,4-dinitrobenzenesulfonic acid
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Aliphatic ketones were reduced to the corresponding secondary alcohols by using anti-1,3-diol and a catalytic amount of 2,4-dinitrobenzenesulfonic acid (DNBSA) in benzene at reflux. Addition of 1-octanethiol in that media improved the efficiency of the reduction. Asymmetric reduction of aliphatic ketones was performed by using chiral anti-pentane-2,4-diol, and highly asymmetric induction (up to >99% ee) was observed in the reduction of tert-alkyl ketones. Asymmetric reduction of acyl silanes using chiral anti-pentane-2,4-diol and DNBSA proceeded efficiently in the absence of octanethiol and the corresponding α-silyl alcohols were obtained in high yields with high ees. © 2010 Elsevier Ltd. All rights reserved.
金沢大学医薬保健研究域薬学系
収録刊行物
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- Tetrahedron
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Tetrahedron 66 (32), 6062-6069, 2010-01-01
Elsevier
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詳細情報 詳細情報について
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- CRID
- 1050845760884207872
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- NII論文ID
- 120002314576
- 120002439390
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- NII書誌ID
- AA00861787
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- ISSN
- 00404020
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- HANDLE
- 2297/25207
- 2297/24794
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles
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