N,N,N',N'-tetramethylethylene-diaminium-N,N'-disulfonic acid chloride as a highly effective catalyst for the synthesis of 4H-pyrano[2, 3-c]pyrazoles, α-carbamatoalkyl-β-naphthols and α-amidoalkyl-β-naphthols
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زبان مدرک
Englishچکیده
In this work, N,N,N',N'-tetramethylethylene-diaminium-N,N'-disulfonic acid chloride {[TMEDSA][Cl]2} has been utilized as a highly effective catalyst in order to promote the following organic transformations under green, solvent-free and mild conditions: (i) the synthesis of 4H-pyrano[2, 3-c]pyrazoles from aromatic aldehydes, 3-methyl-1-phenyl-2-pyrazolin-5-one and malononitrile, (ii) the preparation of α-carbamatoalkyl-β-naphthols from arylaldehydes, β-naphthol and alkyl carbamates, and (iii) the production of α-amidoalkyl-β-naphthols from arylaldehydes, β-naphthol and amides.
کلید واژگان
N'-Tetramethylethylene-diaminium-NN'-disulfonic acid chloride {[TMEDSA][Cl]2} Sulfonic acid-functionalized ionic liquid 4H-Pyrano[2
3-c]pyrazole α-Carbamatoalkyl-β-naphthol α-Amidoalkyl-β-naphthol
Organic Chemistry
شماره نشریه
2تاریخ نشر
2020-04-011399-01-13
ناشر
Sami Publishing Companyسازمان پدید آورنده
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, IranDepartment of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran
شاپا
2588-58392588-4328
