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Silica-Bonded 2-Hydroxyethylammonium Acetate as an Efficient and Recyclable Catalyst for the Synthesis of 2-Amino-4H-chromen-4-yl Phosphonates and β-Phosphonomalonates

✍ Scribed by Sobhani, Sara; Honarmand, Moones


Book ID
120376325
Publisher
Springer US
Year
2013
Tongue
English
Weight
957 KB
Volume
143
Category
Article
ISSN
1011-372X

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ChemInform Abstract: HClO4—SiO2 as an Ef
✍ Weibin Song; Lei Ma; Lihong Hu 📂 Article 📅 2012 🏛 John Wiley and Sons ⚖ 38 KB 👁 2 views

HClO 4 -SiO 2 as an Efficient and Recyclable Catalyst for the Synthesis of Amide Derivatives. -Silica-supported perchloric acid is shown to be an efficient catalyst for the alkylation of amides and sulfonamides. After recycling the catalyst four times the yields are practically identical to those ob