cas 34604-52-9, Diethylene Glycol Dimethanesulfonate | Articles data ｜lookchem

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34604-52-9

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MODIFIED CROWN ETHER CATALYSTS. 4. CLEAVAGE OF MACROCYCLIC ETHERS BY EATON'S REAGENT (METHANESULFONIC ACID/PHOSPHORUS PENTOXIDE
Eaton's reagent (methanesulfonic acid/phosphorous pentoxide) is a superior media for the acylation of benzo crown ether compounds.Benzo-15-crown-5 was cleaved in Eaton's reagent to form methanesulfonate esters of the glycol cleavage products.A comparison of the NMR spectrum of the cleavage products with those of some of the possible products showed that the aliphatic glycols formed the major portion of the cleavage products.
Stott, Paul E.,Bradshaw, Jerald S.
p. 179 - 182
(2007/10/02)

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Chemical Properties

Appearance/Colour :White Solid
Melting Point: 57-58 °C
Boiling Point: 480.2 °C at 760 mmHg
Flash Point:244.2 °C
Density: 1.389 g/cm³
Storage Temp.:Sealed in dry,Room Temperature
Vapor Pressure: 6.46E-09mmHg at 25°C
Refractive Index: 1.47
PSA: 112.73000
LogP: 1.11700

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