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Title
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Synthesis of Metal−Organic Frameworks MIL-101(Cr)‑NH2 Containing Phosphorous Acid Functional Groups: Application for the Synthesis ofN‑Amino-2-pyridone and Pyrano [2,3‑c]pyrazole Derivatives via a Cooperative Vinylogous Anomeric-Based Oxidation
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Type
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JournalPaper
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Keywords
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Metal−Organic Frameworks; Phosphorous Acid ; N‑Amino-2-pyridone
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Abstract
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In the current paper, we successfully developed and used metal−organic frameworks (MOFs) based on MIL-101(Cr)-NH2 with phosphorus acid functional groups MIL-101(Cr)-N(CH2PO3H2)2 . The synthesized metal−organic frameworks (MOFs) as a multi-functional heterogeneous and nanoporous catalyst were used for the synthesis of N-amino-2-pyridone and pyrano [2,3-c]pyrazole derivatives via reaction of ethyl cyanoacetate or ethyl acetoacetate, hydrazine hydrate, malononitrile, and various aldehydes. Thefinal step of the reaction mechanism was preceded by a cooperative vinylogous anomeric-based oxidation. Recycle and reusability of the described catalyst MIL-101(Cr)-N(CH2PO3H2 ) 2 were also investigated.
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Researchers
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Sadegh Rostamnia (Fifth Researcher), Mohammad Ali Zolfigol (Fourth Researcher), Hassan Sepehrmansourie (Third Researcher), (Second Researcher), Saeed Babaee (First Researcher)
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