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Cu-Catalyzed, Mn-Mediated Propargylation and Allenylation of Aldehydes with Propargyl Bromides
A simple, practical, and high chemo-selective method for the synthesis of propargyl alcohol and allenyl alcohols via Cu-catalyzed, Mn-mediated propargylation and allenylation of aldehydes with propargyl bromides has been established. When 3-bromo-1-propyne was conducted under the standard condition, the aldehydes were transformed to the corresponding propargylation products completely, while when 1-bromo-2-pentyne was used, allenic alcohol was the only product. Variety of homopropargyl alcoholsdoi:10.21203/rs.3.rs-1080113/v1 fatcat:bpcp5n7g4vgrpaxi2swa5zuttm