期刊
CHEMICAL SCIENCE
卷 8, 期 6, 页码 4527-4532出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7sc01162h
关键词
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资金
- Singapore Ministry of Education [RG 114/15]
- Nanyang Technological University
- JST, CREST
We report herein a new approach for the synthesis of tellurium-bridged aromatic compounds based on the sequential electrophilic telluration of C(sp(2))-Zn and C(sp(2))-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.
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