Ethyl N-[(trifluoromethanesulfonyl) oxy] carbamate: a new reagent for the synthesis of N-(ethoxycarbonyl) sulfilimines

Y Tamura, H Ikeda, C Mukai, I Morita…

Index: Tamura, Yasumitsu; Ikeda, Hiroyuki; Mukai, Chisato; Morita, Iwao; Ikeda, Masazumi Journal of Organic Chemistry, 1981 , vol. 46, # 8 p. 1732 - 1734

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Citation Number: 23

Abstract

To a solution of ethyl N-hydroxycarbamate (1.05 g, 10 mmol) in acetone (30 mL) was added thallium ethoxide (2.49 g, 10 mmol) at 0 OC. The mixture was stirred at 0" C for 20 min, and the precipitated white solid was collected and dried to give the thallium salt (2.93 g, 95%). The crude material (1.33 g, 4.3" 01) was suspended in methylene chloride (50 mL), and trifluoromethanesulfonic anhydride (1.18 g, 4.4 mmol) was added at-30 to-40 OC with ...

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