Heterogeneous permanganate oxidations: an improved procedure for the direct conversion of olefins to. alpha.-diketones/. alpha.-hydroxy ketones

…, J Das, S Chandrasekaran

Index: Baskaran, Sundarababu; Das, Jagattaran; Chandrasekaran, Srinivasan Journal of Organic Chemistry, 1989 , vol. 54, # 21 p. 5182 - 5184

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Citation Number: 82

Abstract

82.0 mmol), was dissolved in 150 mL of THF and added to a 1-L threenecked round-bottom flask containing 150 mL of THF, 17.5 mL (18.7 g 246.0 "01) of thiolacetic acid, and 4.7 mL of TMSOTf (5.5 g, 24.6 mmol). An exothermic reaction resulted (temperature rise from 23 "C to 38 "C). The mixture was stirred for 1 h at room temperature, and then diluted with 50 mL of ethyl acetate. The reaction was quenched by careful addition of saturated sodium bicarbonate solution ...

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