A novel Cu(CHCN)PF-catalyzed carboamination reaction of 8-aminoquinoline-oriented buteneamides with chloroform to afford 4-(2,2,2-trichloroethyl)-β-lactams is described. The reaction proceeded at 110 °C in air with di--butyl peroxide. Preliminary studies indicated that the reaction undergoes a free radical mechanism a Cu(i)/Cu(ii)/Cu(iii) catalytic cycle.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9037986 | PMC |
http://dx.doi.org/10.1039/d1ra05233k | DOI Listing |
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