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Methyl p-toluenesulfonate chemicae proprietatis

2022-06-22
Methyl 4-toluenesulfonate, etiam yl p-toluenesulfonate (methylp-toluenesulfonate), est medium organicum magni ponderis, maxime in tincturarum fabricatione et synthesi organica adhibita, sicut praeparatio chemicalis materiae methylationis rudis. Acidum methyl 4-toluenesulfonicum adhiberi potest etiam pro methylatione selectiva gerentis ad synthesin organicam, adhibita in confectione tincturarum et synthesi organicarum, adhibita ad methylationem rudis materiae conficiendas, methylationem electivam reagens et catalysta ad synthesim organicam.


Crystallus albus. Punctum liquescens 28-29„ƒ, fervens 292„ƒ, 146-147„ƒ (1.2kPa), densitas relativa 1.231 (20/4℃). Solutum in ethanol, aethere, benzene, insolubile in aqua. Hygroscopic.


A reactione sulfonyli chloridi p-toluene cum methanolo. Misce p-toluene sulfonyl chloridi et methanoli, tardius 25% solutionem sodium hydroxidi addunt, temperatura infra 25℃ moderatur, ad pH 9, alcali addendo, chemical libro 2h pergo ad excitandum, pernoctare pernoctare. Reactantes inferiores ordines ducti sunt, iacuit superior cum benzene extractus est, et solutio extracta cum inferiori strato redivivo benzeni coniuncta fuit, aqua et 5% carbonas potassii solutione in vicem abluta, et productum per distillationem vacuum consecuta est. siccata.


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