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. Author manuscript; available in PMC: 2023 Oct 13.
Published in final edited form as: Tetrahedron Lett. 2021 Mar 31;72:153047. doi: 10.1016/j.tetlet.2021.153047

Table 1.

Substrate scope of the reaction.a

graphic file with name nihms-1878804-t0009.jpg
a

Reagents and conditions: 0.2 mmol 1, 30 mol% Co(OAc)2•4H2O, 1 equiv. AlCl3, 3 equiv. Mn powder (−325 mesh), 2 mL i-PrOH, 22 °C, 12–24 h, isolated yield reported. only 2 equivalents of HCl and led to similar yields for representative substrates (1a, 1j, and 1l) (Table 2).