Author(s): Mahgol Tajbakhsh, Yousef Ranjbar, Abdolhosein Masuodi, Parizad Rezaee, Mahmood Tajbakhsh and Zari Fallah
Page: [361 - 367] Pages: 7
* (Excluding Mailing and Handling)
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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