Zwitterionic sulfamic acid functionalized nanoclay: A novel nanocatalyst for the synthesis of dihydropyrano[2,3-c]pyrazoles and spiro[indoline-3,4ยด-pyrano[2,3-c]pyrazole] derivatives
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DOI: 10.1016/j.jtice.2016.12.010
Abstract: Abstract Zwitterionic sulfamic acid functionalized nanoclay (MMT-ZSA) was prepared with montmorillonite K10 as template, 3- aminopropyltriethoxysilane as linker and chlorosulfonic acid as a SO 3 H source. The physical and chemical properties of zwitterionic nanoclay… read more here.
Keywords: acid functionalized; synthesis dihydropyrano; functionalized nanoclay; sulfamic acid ... See more keywords