Cu(II) salen@KCC-1 as a convenient heterogeneous catalyst for the one-pot multicomponent synthesis of 2-amino-4H-chromenes derivatives
محل انتشار: بیست و هفتمین کنفرانس شیمی آلی ایران
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 216
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شناسه ملی سند علمی:
ISOC27_277
تاریخ نمایه سازی: 19 اسفند 1399
چکیده مقاله:
One-pot, multicomponent reactions have emerged as an effective tool for being atom economic and synthetic by virtue of their convergence, productivity, facile execution and generation of highly diverse and complex products from easily available starting materials in a single operation.1 These reactions are now being tailored for synthesizing various heterocyclic scaffolds for diverse applications. 2-Amino-4H-chromene derivatives have received significant attention in organic chemistry due to their biological and pharmaceutical properties such as antimicrobial,2 sex pheromone3 antitumor and cancer therapy.4 The most straightforward synthesis of this heterocyclic system involves a three-component coupling of aromatic aldehyde, malononitrile and α/β naphthols. Herein, we report the synthesis of 2-amino-4H-benzochromenes derivatives with Cu(II) salen complex immobilized on KCC-1 nanosheets (Cu(II) salen@KCC-1) as a heterogeneous catalysis at 80° C within a very short reaction time having good to high yield (96%) when the loading of Cu was 0.48 mmol gr-1 based on Cu element analysis by ICP-AES (Fig.1).
کلیدواژه ها:
نویسندگان
Khadije Ghabdian,
Department of Chemistry, Faculty of Sciences, Neyshabur Branch, Islamic Azad University, P.O. Box ۹۳۱۸۸۱۳‐۶۳۹, Neyshabur, Iran
Alireza Motavalizadehkakhky
Department of Chemistry, Faculty of Sciences, Neyshabur Branch, Islamic Azad University, P.O. Box ۹۳۱۸۸۱۳‐۶۳۹, Neyshabur, Iran
Rahele Zhiani
Department of Chemistry, Faculty of Sciences, Neyshabur Branch, Islamic Azad University, P.O. Box ۹۳۱۸۸۱۳‐۶۳۹, Neyshabur, Iran