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Silica-Supported Perchloric Acid (HClO4–SiO2)

IR@CSIR-IHBT

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Field Value
 
Title Silica-Supported Perchloric Acid
(HClO4–SiO2)
 
Creator Sharma, U
 
Subject Plant sciences
 
Description (A) The Winkler reaction,4 the addition of cyanide to carbonyl,
which allows the preparation of cyanohydrin, is one of the old carbon–
carbon bond-forming reactions. Heydari et al. carried out the
Winkler reaction by using HClO4–SiO2 to act as a highly effective
catalyst.5
(B) Xanthenes and benzoxanthenes are cited as active oxygen heterocycles
possessing anti-bacterial, anti-inflammatory, and antiviral
properties. They are also utilized in photodynamic therapy.6
Bigdeli et al. and Das et al. synthesised these molecules by using
HClO4–SiO2 as catalyst.7,8
(C) Quinolines are useful as drugs and pharmaceuticals. HClO4–SiO2
can be applied for the development of simple, convenient, and highyielding
syntheses.9
(D) The Mannich reaction10 is an important cabon–carbon bond
forming reaction and used for the synthesis of b-amino carbonyl
compounds, which are important synthetic intermediates for various
pharmaceuticals and natural products. Bigdeli et al. applied HClO4–
SiO2 in a one-pot, three-component Mannich reaction.11
(E) HClO4–SiO2 can be applied for the synthesis of 1, 4- dihydropyridines.
12
 
Date 2009
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://ihbt.csircentral.net/271/1/453_2009_Silica.pdf
Sharma, U (2009) Silica-Supported Perchloric Acid (HClO4–SiO2). spotlight.Synlett, 19. pp. 3219-3220.
 
Relation http://ihbt.csircentral.net/271/