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- W4387059041 abstract "A copper‐catalyzed α,β‐regioselective (2+4) cycloaddition of propargylic esters with o‐hydroxyphenyl substituted secondary phosphine oxides (SPOs) was established, which afforded a series of phosphorus‐containing six‐membered heterocycles in high yields (up to 99 % yield). This reaction represents the first α,β‐regioselective (2+n) cycloaddition of propargylic esters via the intermediates of copper−allenylidenes, which will enrich the chemistry of propargylic esters and copper−allenylidenes. Moreover, this work also represents the first application of o‐hydroxyphenyl substituted SPOs as 1,4‐dinucleophiles in (2+4) cycloadditions, which provides a useful protocol for the synthesis of phosphorus‐containing six‐membered heterocycles with potential bioactivity." @default.
- W4387059041 created "2023-09-27" @default.
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- W4387059041 date "2023-09-26" @default.
- W4387059041 modified "2023-09-27" @default.
- W4387059041 title "Copper‐Catalyzed α,β‐Regioselective (2+4) Cycloaddition of Propargylic Esters" @default.
- W4387059041 doi "https://doi.org/10.1002/ejoc.202300802" @default.
- W4387059041 hasPublicationYear "2023" @default.
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