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A process for the preparation of o-, m- and p-nitrobenzylmesylater and tosylates.
A process for the preparation of o-, m- and p-nitrobenzylmesylater and tosylates.
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机译:一种制备邻,间和对硝基苄基甲磺酸酯和甲苯磺酸酯的方法。
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1334635 Nitrobenzyl sulphonates ELI LILLY & CO 18 April 1972 [19 April 1971] 17895/72 Heading C2C Nitrobenzyl sulphonates of Formula I in which R is methyl or p-tolyl, are prepared by reacting a nitrobenzyl alcohol with at least an equimolar amount of methanesulphonyl or ptoluenesulphonyl chloride in acetone at 5 to 45‹ C., in the presence of at least an equimolar amount of dicyclohexylamine based on the nitrobenzyl alcohol, separating the precipitate of dicyolohexylamine hydrochloride from the reaction mixture and recovering the desired sulphonate.
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