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Issue 6, 2017
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Versatile telluracycle synthesis via the sequential electrophilic telluration of C(sp2)–Zn and C(sp2)–H bonds

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Abstract

We report herein a new approach for the synthesis of tellurium-bridged aromatic compounds based on the sequential electrophilic telluration of C(sp2)–Zn and C(sp2)–H bonds with tellurium(IV) chlorides. A combination of transition metal-catalyzed (migratory) arylmetalation of alkynes and sequential telluration allows for the expedient construction of a library of functionalized benzo[b]tellurophenes. Furthermore, a variety of heteroarene-fused benzotellurophenes and other novel tellurium-embedded polycyclic aromatics can be readily synthesized from the corresponding 2-iodoheterobiaryls.

Graphical abstract: Versatile telluracycle synthesis via the sequential electrophilic telluration of C(sp2)–Zn and C(sp2)–H bonds

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Publication details

The article was received on 14 Mar 2017, accepted on 06 Apr 2017 and first published on 10 Apr 2017


Article type: Edge Article
DOI: 10.1039/C7SC01162H
Citation: Chem. Sci., 2017,8, 4527-4532
  • Open access: Creative Commons BY-NC license
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    Versatile telluracycle synthesis via the sequential electrophilic telluration of C(sp2)–Zn and C(sp2)–H bonds

    B. Wu, Melvina, X. Wu, E. K. Lee Yeow and N. Yoshikai, Chem. Sci., 2017, 8, 4527
    DOI: 10.1039/C7SC01162H

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