2,3-Disubstituted benzo[b]selenophenes have been prepared by the electrophilic cyclization of various 1-(1-alkynyl)-2-(methylseleno)arenes by Br2, NBS, I2, ICl, PhSeCl, PhSeBr, and Hg(OAc)2. This method tolerates a wide variety of functional groups, including alcohol, ester, nitrile, nitro, and silyl groups, and proceeds under exceptionally mild reaction conditions.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2527062 | PMC |
| http://dx.doi.org/10.1021/jo0524268 | DOI Listing |
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