Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2012 m. Nr. 3 Mg(HSO4)2: an efficient and eco-friendly catalyst for the synthesis of pyrazoles
Mg(HSO4)2 is an efficient, readily available, and eco-friendly catalyst for the synthesis of 1,3,5-trisubstituted or 1,3,4,5-tetrasubstituted pyrazoles via the condensation of 1,3-diketones and hydrazine. Mild condition, simplicity of procedure, high yields, easy work-up and short reaction time are some advantages of this green protocol.
Keywords: Mg(HSO4)2, 1, 3-diketones, hydrazine, pyrazole, 1,3,5-substituted pyrazoles, 1,3,4,5-tetrasubstituted pyrazoles |
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