Heterogeneous hydrogenation of 1-naphtol and 2-naphtol over Ru/Alb>2b>Ob>3b>: a simple p>1p>H NMR method for determination of the diastereoselectivity

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• 作者：Arlette Solladi&#xe9 ; -Cavallo ; Baram Ahmed ; Michel Schmitt and Fran&#xe7 ; ois Garin
• 关键词：p>1p>H NMR of diastereomers ; Ru/Alb>2b>Ob>3b> ; Heterogeneous hydrogenation ; Naphthols<br>Mots cl&#xe9 ; s ; p>1p>H RMN de diast&#xe9 ; r&#xe9 ; om&#xe8 ; res ; Ru/Alb>2b>Ob>3b> ; Hydrog&#xe9 ; nation h&#xe9 ; t&
• 刊名：Comptes Rendus Chimie
• 出版年：2005
• 期刊代码：119_16310748
• 类别：ch
• 出版时间：2005
• 卷：8
• 期：11-12
• 页码：1975-1980
• 文件大小：331 K

摘要

Heterogeneous hydrogenations of 1-naphthol and 2-naphthol over Ru/Alb>2b>Ob>3b>-9001 (from Engelhard) are presented. It was found that 1-naphthol provides almost exclusively (98–100%) the cis-decalols (OH equatorial and axial) while the 2-naphthol lead to mixtures of a cis-decalol (OH equatorial) and a trans-decalol (OH equatorial) in 1/1–1/2 ratio where the trans-decalol is major. A rapid and simple p>1p>H NMR method (based on analysis of the patterns and of the p>3p>J values obtained from the CH(OH) proton) is described, which allows unambiguous assignment of the diastereomers of 1-decalols and 2-decalols. To cite this article: A. Solladi&#xe9;-Cavallo et al., C. R. Chimie (2005).