Synthesis of functionalized 2,3-dihydropyrroles by oxidative radical cyclization of N-Sulfonyl β-enamino esters with alkenes
2016
Yoshida, Masahiro | Kobayashi, Asuka | Nakayama, Atsushi | Namba, Kosuke
Oxidative radical cyclization of N-sulfonyl β-enamino esters with alkenes has been developed. Substituted 2,3-dihydropyrroles were produced when the reactions were carried out in the presence of CAN and Cu(OAc)2 as the oxidant. Intramolecular cyclization of β-enamino carbonyl compounds having an alkenyl and an alkynyl side chain proceeded to afford the corresponding bicyclic products, respectively.
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