Journal
ORGANIC LETTERS
Volume 18, Issue 21, Pages 5756-5759Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b03078
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Funding
- NSFC [21672069, 21472050, 21272075, 21502054]
- DFMEC [20130076110023]
- Fok Ying Tung Education Foundation [141011]
- Program for Shanghai Rising Star [15QA1401800]
- National Program
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A facile, straightforward protocol was established for diarylannulated sulfide and selenide construction through S-I and Se-I exchange without transition metal assistance. Elemental sulfur and selenium served as the chalcogen source. Diarylannulated sulfides were systematically achieved from a five- to eight-membered ring. A trisulfur radical anion was demonstrated as the initiator for this radical process via electron paramagnetic resonance (EPR) study. OFET molecules [1]benzothieno [3,2-b] [1]benzothiophene (BTBT) and [1]benzothieno [3,2-b] [1]benzoselenophene (BTBS) were efficiently established.
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