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763772 Sigma-Aldrich

Perchloric acid, silica supported

extent of labeling: 0.35 mmol/g

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Properties

Related Categories Chemical Synthesis, Reagents, Silica Gel, Solid Supported Synthesis, Specialty Synthesis More...
extent of labeling   0.35 mmol/g
mp   >400 °C

Description

Application

Perchloric acid, silica-supported (HClO4-SiO2) can be used as a catalyst for:
•  The preparation of amidoalkyl naphthols by the condensation reaction of 2-naphthol, aromatic aldehydes, and acetonitrile.
•  The Friedlander quinoline synthesis by the condensation reaction of 2-aminoaryl ketones and carbonyl compounds.
•  The synthesis of aryl or alkyl-dibenzo xanthenes by the condensation reaction between aldehyde and 2-naphthol.
•  The protection of various hydroxyl functional groups by converting into their corresponding trimethylsilyl ethers using hexamethyldisilazane (HMDS).

Packaging

5, 25, 100 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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