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HClO4–SiO2 as a novel and recyclable catalyst for the synthesis of bis-indolylmethanes and bis-indolylglycoconjugates

✍ Scribed by Vinod T. Kamble; Kailash R. Kadam; Neeta S. Joshi; Dnyanoba B. Muley


Book ID
119215710
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
139 KB
Volume
8
Category
Article
ISSN
1566-7367

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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