Helvetica Chimica Acta p. 1204 - 1207 (1984)
Update date:2022-08-04
Topics:
Nakashita, Yoshihiko
Watanabe, Toshio
Benkert, Erwin
Lorenzi-Riatsch, Annalaura
Hesse, Manfred
A novel cyclopentenone ring annelation reaction is described.The treatment of the nitro compound 13 with aqueous sodium hydroxide in the presence of a phase-transfer catalyst furnished 14a in one step.Similar treatment of 7 led to 8, the reaction of which
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Doi:10.1246/bcsj.55.1140
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