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À propos de : Novel Synthesis of Carbapenam by Intramolecular Attack ofLactam Nitrogen toward η1-Allenyl and η3-PropargylpalladiumComplex        

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  • Novel Synthesis of Carbapenam by Intramolecular Attack ofLactam Nitrogen toward η1-Allenyl and η3-PropargylpalladiumComplex
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  • When a THF solution of β-lactam having propargyl phosphate was warmed in the presence of 5mol % of Pd2(dba)3·CHCl3, 20 mol % of a bidentate ligand, and sodium acetate (1.5 equiv) at 40 °Cfor 22 h, carbapenam was produced in high yield. In this reaction, the lactam nitrogen attackedthe central carbon of a η3-propargylpalladium complex, which was formed from propargyl phosphateand Pd(0).
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