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Synthesis of Allenyl-Bdan via Cu(I)-Catalyzed Borylation of Propargyl gem-Dichlorides

Ke-Fan Wu, Dong-Ting Dai, Xin-Yue Sun and Yun-He Xu*

*Department of Chemistry, University of Science and Technology of China, Hefei 230026, China, Email:

K.-F. Wu, D.-T. Dai, X.-Y. Sun, Y.-H. Xu, Org. Lett., 2022, 24, 2660-2664.

DOI: 10.1021/acs.orglett.2c00704

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A copper-catalyzed borylation of propargyl dichlorides provides chloro-substituted allenyl-Bdan products in very good yields under mild reaction conditions. Derivatizations of the allenyl-Bdan products are also demontrated.

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proposed mechanism


Key Words

allenes, allenylboronic acid derivatives

ID: J54-Y2022