Synthesis of trifluormethyl substituted oxetenes by the reaction of acetylenedicarboxylate with trifluoromethyl ketone in the presence of triphenylphosphine

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Catalytic Asymmetric Synthesis of Stable Oxetenes via Lewis Acid-Promoted [2 + 2] Cycloaddition

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Fascinating reactivity in gold catalysis: synthesis of oxetenes through rare 4-exo-dig allene cyclization and infrequent β-hydride elimination

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Photoreactions of 1-Acetylisatin with Alkynes:  Regioselectivity in Oxetene Formation and Easy Access to 3-Alkylideneoxindoles and Dispiro[oxindole[3,2‘]furan[3‘,3‘ ‘]oxindole]s

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The Isolation of a Cyclic Intermediate in the Ketone—Alkoxyacetylene Reaction

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