Ambient Schmittel Cyclization Promoted by Chemoselective Triazole-Gold Catalyst
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https://figshare.com/articles/dataset/Ambient_Schmittel_Cyclization_Promoted_by_Chemoselective_Triazole_Gold_Catalyst/2545228
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The Schmittel cyclization was achieved at room temperature through triazole–gold (TA–Au) catalyzed propargyl vinyl ether rearrangement. Other tested [L–Au]+ catalysts gave complex reaction mixtures under identical conditions with no desired products observed. Importantly, because of the employment of mild conditions, sterically hindered groups (such as t-Bu) on allene termini were no longer required, which allowed successful synthesis of previously challenging substrates.
创建时间：
2016-02-22
