One-pot three-component Mannich reaction in water catalyzed by eco-friendly, hydrophobic and recyclable sulfonic acid based nanosilica (SBA-15-Ph-PrSO<sub>3</sub>H)
作者:Daryoush Zareyee、Hamidreza Alizadeh
DOI:10.1039/c4ra05842a
日期:——
A mild, effective and green method for the Mannich reaction of aromatic aldehydes, aromatic amines and ketones has been accomplished in good to excellent yields using hydrophobic SBA-15-Ph-PrSO3H in water at room temperature.
Sulfonic acid supported on magnetic nanoparticle as an eco-friendly, durable and robust catalyst for the synthesis of β-amino carbonyl compounds through solvent free Mannich reaction
A simple, efficient and environmentally benign solid acid catalyst was prepared by anchoring a propyl sulfonic acid on the surface of silica‐coated magnetic nanoparticles by low cost precursors. The catalyst has been then engaged in the efficient β‐amino carbonyl compounds production via three component Mannich reaction under solvent free reaction condition at room temperature. After the completing
Deep Eutectic Solvent as a Recyclable Catalyst for Three-Component Synthesis of β-Amino Carbonyls
作者:Fariba Keshavarzipour、Hossein Tavakol
DOI:10.1007/s10562-014-1471-6
日期:2015.4
We have reported one-pot, three-component Mannich type reaction of aldehyde, amines and ketone (acetone and acetophenones), catalyzed by deep eutectic solvent (choline chloride/zinc chloride) at room temperature to give beta-amino carbonyls in good yields. The catalyst could be recycled at least four times without remarkable decrease in its catalytic activity. The general method is easy, fast and environmental friendly.
Aminolysis of para-substituted benzalacetophenones
作者:El Sayed M. E. Mansour、Samir K. El-Sadany、Ahmed A. Kassem、Hamdy A. Maksoud