Exploratory Studies on the Synthesis of the Unusual Diterpenoid Tropone Harringtonolide.

…, FS Roden, FW Russkamp, AC Willis, LN Mander

文献索引：Rogers, Daniel H.; Frey, Barbara; Roden, Francis S.; Russkamp, Friedrich-Wilhelm; Willis, Anthony C.; Mander, Lewis N. Australian Journal of Chemistry, 1999 , vol. 52, # 11 p. 1093 - 1108

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被引用次数: 16

摘要

Abstract Various approaches to the total synthesis of the unusual diterpenoid tropone (2), discovered in the yew species Cephalotaxus harringtonia and C. hainanensis, are described. The rhodium-catalysed intramolecular cyclopropanation reaction of an aryl ring by means of the transition metal catalysed reaction of a diazoacetyl function was used to assemble the 5/7 ring system and to provide a cycloheptatrienyl precursor to the tropone ...