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صفحه اصلی
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بیست و نهمین کنفرانس شیمی آلی ایران
Design and synthesis of reusable Biochar phosphoric acid nanocatalyst for 1,8-Dioxo-octahydroxanthene and Tetrahydrobenzo[b]pyran Derivatives synthesis
نویسندگان :
فاطمه نظافت پور ( دانشگاه بوعلی سینا ) , زهرا سیاهپور ( دانشگاه بوعلی سینا ) , مریم حجامی ( دانشگاه بوعلی سینا )
کلید واژه ها :
biochar،nano catalysts،multi component reaction
چکیده مقاله :
Multicomponent reaction (MCR) condensations involve three or more simple substrates is considered that approach close to the "ideal synthesis" due to atomic economy, and high bond forming efficiency. [1]. Recently, nanoparticles were emerged in various fields including science, industry, pharmacy, medicine, and green chemistry [2]. Biochar is one of the novel nanoparticles, which is a stable carbon solid and used in various fields in past few years for science and engineering. Biochar is made via pyrolysis of biological source such as woody materials, agricultural wastes, green waste, animal manures and other waste products [3], therefore it is inexpensive and environmentally friendly. In this work Phosphoric acid-activated walnut shell biochar as efficiently catalysis prepared and uses for one-pot multi-component synthesis 1,8-Dioxo-octahydroxanthene and Tetrahydrobenzo[b]pyran Derivatives in excellent yields and in very short reaction times.
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