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صفحه اصلی
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بیست و نهمین کنفرانس شیمی آلی ایران
Application of N, S-doped ordered mesoporous carbon as a solid acid-base bifunctional catalyst in Biginelli reaction
نویسندگان :
Nahid Moghaddam ( دانشگاه تحصیلات تکمیلی علوم پایه زنجان ) , Babak Karimi ( دانشگاه تحصیلات تکمیلی علوم پایه زنجان )
کلید واژه ها :
Ordered mesoporous carbon،Nanocasting،Ionic liquids،Biginelli reaction
چکیده مقاله :
A novel bifunctional acid-base ordered mesoporous carbon, denoted "Ionic liquid derived Bimodal cubic Ordered Mesoporous Carbon" (IBOMC), was prepared using a nanocasting protocol with KIT-6 as a hard template and a mixture of an imidazolium-based ionic liquid as the main organic precursor. The coexistence of acidic and basic sites on this carbocatalyst made it suitable for one-pot cascade reactions that require both acid and base, such as the Biginelli reaction. The dual acid-base activity of our catalyst was verified in the Biginelli reaction, which requires basic functional groups for deprotonation of ethyl acetoacetate and also acidic sites for activation of aldehydes and aldol condensation to synthesize the Biginelli product.
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