Syunsuke Kagehira

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A new method has been developed for the construction of dihydrobenzofurans from O-aryloxime ethers bearing an α-cyano group using a sequential regioselective isomerization/[3,3]-sigmatropic rearrangement/cyclization reaction in MeOH without any catalysts under neutral conditions at ambient temperature. The current transformation provides environmentally(More)
A rapid modified procedure for the gas chromatogrpahic determination of esterase activity was studied. Aliphatic esters such as ethyl n-butyrate, n-propul n-butyrate, n-butyl n-butyrate and n-amyl n-butyrate were used as substrates and acetone was chosen as the most suitable solvent for dissolving the substrates in order to avoid alcoholysis. The enzyme(More)
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