Journal of the Chemical Society. Chemical communications p. 1018 - 1019 (1991)
Update date:2022-08-15
Topics:
Ryu, Ilhyong
Kusano, Kazuya
Hasegawa, Mitsuharu
Kambe, Nobuaki
Sonoda, Noboru
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, <1> = 0.025-0.05 mol dm-3, 80 deg C.
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(1971)