Ultrasonic-Assisted Surface- Modification of Nanosilica Chloride and its Use for Synthesis of 3,4- Dihydropyrimidinones

Author(s): Mahgol Tajbakhsh , Yousef Ranjbar , Abdolhosein Masuodi , Parizad Rezaee , Mahmood Tajbakhsh , Zari Fallah .

Journal Name: Letters in Organic Chemistry

Volume 11 , Issue 5 , 2014

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Abstract:

Nanosilica chloride was prepared with modification of the surface by applying ultrasonic irradiation and has been employed as an efficient, heterogeneous and effective catalyst in the preparation of 3,4- dihydropyrimidinones (DHPMs) under solvent-free conditions. Simple workup procedure, short reaction time, and good to excellent yield of the product, are other advantages of this catalyst.

Keywords: Nanosilica chloride, multicomponent reactions, ultrasonic irradiation, Biginelli reaction, dihydropyrimidinones, heterogeneous catalyst.

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Article Details

VOLUME: 11
ISSUE: 5
Year: 2014
Page: [361 - 367]
Pages: 7
DOI: 10.2174/1570178610666131128234939
Price: $58

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