26299-14-9 Pyridinium chlorochromate AKSci J58927
 
 
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  J58927    AKSci Bulk Reagent
Pyridinium chlorochromate
, 95%
 
PCC




IDENTITY
CAS Number:26299-14-9
MDL Number:MFCD00013106
MF:C5H6N.ClCrO3
MW:215.56
EINECS:247-595-5
BRN:7054643
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:95%
Physical Form (at 20°C):Solid
Melting Point:200-208°C
Long-Term Storage:Store long-term in a cool, dry place
DOT/IATA TRANSPORT INFORMATION
UN #:UN1479
Hazard Class:5.1; Oxidizer
Packing Group:II
A hazmat fee may apply to certain package sizes and shipment methods. Please check pricing table for an indicator of applicable hazmat fees.

BIOLOGICAL INFO
Solubility:Soluble in water

REVIEW

 Mild, selective oxidant for alcohols to aldehydes or ketones: Tetrahedron Lett., 2647 (1975); review: Synthesis, 245 (1982). Superior results have been reported with a catalytic amount of acetic acid: Tetrahedron, 46, 4417 (1990). Adsorption of the reagent onto alumina simplifies work-up and enhances reactivity in hydrocarbon solvents: Synthesis, 223 (1980). Improved results have also been obtained in the presence of silica gel, where reaction times are shortened by sonication: J. Org. Chem., 54, 5387 (1989). Oxidation of methylarenes to benzaldehydes has been reported. Selective mono-oxidation of xylenes to tolualdehydes can be achieved: Synlett, 2769 (2005).

REFERENCES
[1]18-crown-6 complexes of chlorochromates as mild, selective oxidants: J. Org. Chem., 60, 2267 (1995).
[2] Trialkyl boranes are also oxidized to carbonyl compounds, non-terminal boranes giving ketones: J. Organomet. Chem., 162, C9 (1978) and terminal boranes giving aldehydes: J. Organomet. Chem., 172, C20 (1979). Similarly, aldehydes can be prepared from terminal alkenes by oxidation of their adducts with thexylborane: Synthesis, 151 (1980).
[3] In THF, arylhydroxylamines are selectively oxidized to nitroso compounds: Synth. Commun., 22, 1683 (1992).
[4] For a brief feature on novel oxidation reactions with this reagent: Synlett, 741 (2003).

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Danger

Hazard Statements
H272; H317; H350; H410

Precautionary Statements
P201; P202; P210; P220; P221; P261; P272; P273; P280; P281; P302+P352; P308+P313; P333+P313; P363; P370+P378; P391; P405; P501


RELATED PRODUCTS
I570Pyridinium chlorochromate
U741Pyridinium dichromate

Current as of November 21, 2024


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CATEGORIES

 Reagents > Common, Oxidation


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