cas 6139-83-9, 4-Chlorobutanal diethyl acetal | Articles data ｜lookchem

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6139-83-9

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A novel and convenient synthesis of 4-halobutyraldehyde acetals
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Hyatt, John A.
p. 487 - 490
(2007/10/03)

Process for preparing derivatives of 4-halobutyraldehyde
The present invention describes a process for preparing an enol ester of a 4-halo-butyraldehyde which comprises contacting a cyclopropane carboxaldehyde (CPCA) and a carboxylic acid halide in the presence of a Lewis acid catalyst. In addition, the present invention relates to a process for preparing an acetal of a 4-halo-butyraldehyde which comprises contacting an enol ester of a 4-halo-butyraldehyde, prepared according to the present invention, with an alcohol in the presence of a certain acid catalyst.
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Page 3-4

(2008/06/13)

Diesters of 6-cyano-2,2-tetrahydropyrandicarboxylates
A compound of the formula STR1 wherein R' is lower alkyl, is useful as an intermediate in the preparation of a corresponding tricarboxylate, which is a useful detergent builder.
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(2008/06/13)

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Chemical Properties

Appearance/Colour :Colourless Liquid
Boiling Point: 208.6 °C at 760 mmHg
Flash Point:51.1 °C
Density: 0.976 g/cm³
Solubility:Chloroform (Slightly), Methanol (Slightly)
Storage Temp.:Refrigerator
Vapor Pressure: 0.306mmHg at 25°C
Refractive Index: 1.425
PSA: 18.46000
LogP: 2.40450

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