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- W3105232743 abstract "Abstract A highly efficient atom‐economic and metal‐free rearrangement of δ‐hydroxyalkynone to 2,3‐dihydro‐4 H ‐pyran‐4‐one‐based strategy has been employed in the stereoselective total synthesis of either enantiomers of catechol pyran natural product isolated from Plectranthus sylvestris . The desired δ‐hydroxyalkynone substrates for rearrangement were prepared via the enantioselective Jacobsen kinetic resolution and the rearrangement was effected with cheaply available Brønsted acid para ‐toluene sulfonic acid ( p ‐TsOH at 10 mol%). The strategy is concise and easily adoptable for synthesis of various 4‐hydroxy or 4‐keto‐2,6‐disubstituted pyran‐based natural products." @default.
- W3105232743 created "2020-11-23" @default.
- W3105232743 creator A5074158026 @default.
- W3105232743 creator A5083883055 @default.
- W3105232743 date "2020-11-13" @default.
- W3105232743 modified "2023-10-18" @default.
- W3105232743 title "Asymmetric Synthesis of Catechol Pyran Isolated from Plectranthus sylvestris by δ‐Hydroxyalkynone Rearrangement" @default.
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- W3105232743 doi "https://doi.org/10.1002/slct.202003986" @default.
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