Copper-Catalyzed Borylative Ring Closing C-C Coupling toward Spiro- and Dispiroheterocycles

Jordi Royes, Shaofei Ni, Albert Farré, Enrico La Cascia, Jorge J. Carbó, Ana B. Cuenca, Feliu Maseras, Elena Fernández

Research output: Indexed journal article Articlepeer-review

34 Citations (Scopus)


The synthesis of spiroheterocyclic structures with a pendant methylene boronate substituent has been accomplished to promote further functionalization. A Cu-catalyzed borylative ring closing C-C coupling of an alkenyl halide is the key step toward the synthesis of [m.n]-spirocycles (m,n = 3-5). Computational studies on the mechanism reproduced all the experimental trends and explain the enhanced reactivity of systems leading to strained smaller rings. The optimized protocol also gives access to dispirocycle scaffolds, fully characterized by X-ray diffraction.

Original languageEnglish
Pages (from-to)2833-2838
Number of pages6
JournalACS Catalysis
Issue number4
Publication statusPublished - 6 Apr 2018


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