(CH3)2CuLi/Cu(OTf)2 Mediated N- or O‑Cyclization
of Urea-Tethered Cyclobuta[b]indolines
Version 2 2018-12-20, 18:04
Version 1 2018-12-20, 18:03
Posted on 2018-12-20 - 18:04
A (CH3)2CuLi/Cu(OTf)2 mediated N- or O-cyclization
of urea-tethered cyclobuta[b]indolines has been reported
in this paper, giving a new
synthetic protocol for the construction of pyrimido[1,6-a]indolone and cyclic imidate derivatives in moderate to good yields
with a broad substrate scope under mild conditions. A plausible reaction
mechanism has been also proposed on the basis of previous reports
and the control experiments.
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Tao, Leyi; Shi, Min (2018). (CH3)2CuLi/Cu(OTf)2 Mediated N- or O‑Cyclization
of Urea-Tethered Cyclobuta[b]indolines. ACS Publications. Collection. https://doi.org/10.1021/acs.orglett.8b03565
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