- Free-radical-mediated Carbonylative Cyclization of Alk-4-enyl Halides Leading to Cyclopentanone
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Alk-4-enyl bromides and iodides 1, when treated with the tributyltin hydride/CO sustem, undergo carbonylative cyclization to give cyclopentanones in good yields (AIBN cat., benzene, 79-90 atm, = 0.025-0.05 mol dm-3, 80 deg C.
- Ryu, Ilhyong,Kusano, Kazuya,Hasegawa, Mitsuharu,Kambe, Nobuaki,Sonoda, Noboru
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p. 1018 - 1019
(2007/10/02)
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