cas 693-93-6, 4-methyloxazole | Articles data ｜lookchem

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693-93-6

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Widely Exploited, Yet Unreported: Regiocontrolled Synthesis and the Suzuki–Miyaura Reactions of Bromooxazole Building Blocks
An approach to synthesis of 2-, 4-, and 5-bromooxazoles is described. The method was optimized, and its scope was extended to all three isomeric parents, as well as various alkyl- and aryl-substituted bromooxazoles. It was found that direct regiocontrolled lithiation followed by reaction with electrophilic bromine source was common for all substrates and led exclusively to the target substituted 2-, 4- and 5-bromooxazoles on multigram scale. The utility of the multipurpose building blocks obtained in this work was demonstrated in the Suzuki–Miyaura cross-coupling reaction under parallel synthesis conditions.
Solomin, Vitalii V.,Radchenko, Dmytro S.,Slobodyanyuk, Evgeniy Y.,Geraschenko, Oleksandr V.,Vashchenko, Bohdan V.,Grygorenko, Oleksandr O.
p. 2884 - 2898
(2019/03/07)

Manufacture of 4-methyloxazole
4-Methyloxazole is manufactured by reaction of formimido-esters with hydroxyacetone. 4-Methyloxazole, manufactured by the process of the invention, is a starting material for the manufacture of dyes, pharmaceuticals, pesticides and vitamins.
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(2008/06/13)

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Chemical Properties

Boiling Point: 88 °C at 760 mmHg
Flash Point:20.5 °C
Density: 1.016 g/cm³
Solubility:Chloroform (Slightly), Methanol (Slightly)
Storage Temp.:2-8°C
Vapor Pressure: 70.1mmHg at 25°C
Refractive Index: 1.438
PKA: 1.33±0.14(Predicted)
PSA: 26.03000
LogP: 0.98300

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