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Versatile Telluracycle Synthesis via Sequential Electrophilic Telluration of C(sp2)–Zn and C(sp2)–H Bonds

Abstract

We report herein a new approach for the synthesis of tellurium-bridged aromatic compounds based on 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 alkyne and the sequential telluration allows for 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.

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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, Accepted Manuscript
  • Open access: Creative Commons BY-NC license
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    Versatile Telluracycle Synthesis via Sequential Electrophilic Telluration of C(sp2)–Zn and C(sp2)–H Bonds

    B. Wu, M. none, X. Wu, E. Yeow and N. Yoshikai, Chem. Sci., 2017, Accepted Manuscript , DOI: 10.1039/C7SC01162H

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