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Total synthesis of δ-Coniceine:
Reference: Jung, M. E.; Choi, Y. M. J. Org. Chem. 1991, 56, 6729. DOI
Keywords: O-H → O-SO2R • N-Bn → N-H • Hydrogenation alkene • Amine-6 • Carboxamide → Amine • N-H → N-Alkyl • Amine-4 • N-H → N-C(O)R • Dehydrosulfonoxylation → Enamine • Diels-Alder, Intram • Lactam-5 • Electrocyclic-4π •
Reagents: NH2CHPh2 • Sulfonyl chloride, methane, NEt3 • HCl • H2, Pd • NEt3 • KOtBu • H2, cat • AlH4-Li+ • Flash vacuum pyrolysis •

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