Stannylation of calcium carbide followed by Sn-hypervalent iodine(III) exchange reaction cleanly afforded the electrophilic ethynylating agent ethynyl(phenyl)-λ-iodane in high yield. This two-step method uses very inexpensive materials and is readily operable without any special precautions.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7010717 | PMC |
| http://dx.doi.org/10.3389/fchem.2020.00012 | DOI Listing |
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