138282-84-5Relevant academic research and scientific papers
Versiatile Methylenecyclopentane Annulations of Unactivated and Electron-Rich Olefins with cyclopropanedicarboxylates
Huval, Chad C.,Singleton, Daniel A.
, p. 2020 - 2024 (1994)
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.
Methylenecyclopropanecarboxylates and -dicarboxylates, Efficient Reagents for the Methylenecyclopentane Annulation of Unactivated and Electron-Rich Alkenes
Singleton, Daniel A.,Huval, Chad C.,Church, Kevin M.,Priestley, E. Scott
, p. 5765 - 5768 (2007/10/02)
The readily available methylenecyclopropanes 1 and 2 efficiently annulate unactivated and electron rich alkenes via a thiyl-radical catalyzed chain cyclization.
