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Ruthenium salophen triflate: A reusable catalyst for alkylation of 1,3-dicarbonyl compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
49849 46769 2012 5 PDF Available
Title
Ruthenium salophen triflate: A reusable catalyst for alkylation of 1,3-dicarbonyl compounds
Abstract

Reaction of 1,3-dicarbonyl compounds with alcohols or olefins in the presence of catalytic amounts of electron-deficient [Ru(salophen)OTf] produced α-alkylated 1,3-dicarbonyls under solvent-free conditions. Different substituted benzylic alcohols were efficiently reacted with 2,4-pentanedione or 1,3-diphenyl-1,3-propanedione and their corresponding alkylated diones were obtained in good to excellent yield. On the other hand, substituted styrenes were also converted to their corresponding α-alkylated 1,3-dicarbonyls in good yields. The effect of reaction parameters such as solvent, amount of catalyst and axial substituent on the ruthenium salophen was also investigated. The catalyst was reusable several times without loss of its activity.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Electron-deficient Ru(III)salophen was used as catalyst ► Alkylated dicarbonyl compounds were obtained ► The catalyst was reusable

Keywords
Benzylic alcohols; Olefins; C―C bond formation; Dicarbonyl compounds; Ru salophen
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 29, 5 December 2012, Pages 122–126
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us