Journal of Organic Chemistry p. 2020 - 2024 (1994)
Update date:2022-08-04
Topics:
Huval, Chad C.
Singleton, Daniel A.
<(Trimethylsilyl)methylene>cyclopropanedicarboxylates 8a-c are readily available from the cyclopropanation of the silylallenes 7a-c with dimethyl diazomalonate.The free-radical mediated methylenecyclopentane annulations of unactivated and electron-rich alkenes with 8a-c proceed in high yield.The product vinylsilanes are set up for diverse secondary conversions, making annulations with 8a-c highly versatile in the synthesis of cyclopentanes.
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