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- W1981971375 abstract "N-Alkenyl trichloroacetamides, upon treatment with nickel powder and acetic acid in refluxing 2-propanol undergo reversible 4-exo radical cyclisation. The cyclised radical can be trapped in different ways leading to β-lactams. When the trap is omitted or not efficient enough, unusual irreversible 5-endo cyclisation occurs affording functionalised five-membered lactams. Synthesis of bicyclic γ-lactams has also been examined providing in few steps an access to the Sceletium alkaloids skeleton." @default.
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- W1981971375 date "1998-02-01" @default.
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- W1981971375 title "β- and γ-lactams by nickel powder mediated 4-exo or 5-endo radical cyclisations. A concise construction of the mesembrine skeleton" @default.
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- W1981971375 doi "https://doi.org/10.1016/s0040-4020(97)10204-6" @default.
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