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- W1559879524 abstract "A facile synthesis of γ-arylidine-α,β-unsaturated γ-lactones was achieved: a keto lactone (e.g., 4) which is readily obtained from a keto acid (1) was dehydrated to conjugated lactones (9 and 10) with acetic anhydride in the presence of either p-toluenesulfonic acid or sodium acetate. By application of this unusual dehydration reaction, a natural product, the thiophene lactone (13) was synthesized. Some reactions of the conjugated lactone (9) were carried out, leading to the formation of unsaturated γ-lactams (19 and 20)." @default.
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- W1559879524 date "1971-01-01" @default.
- W1559879524 modified "2023-10-16" @default.
- W1559879524 title "A convenient method for the preparation of γ-arylidene-α,β-unsaturated γ-lactones" @default.
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- W1559879524 doi "https://doi.org/10.1016/s0040-4020(01)91710-7" @default.
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