Alk-1-ynyl(hetaryl)carbenes 3 have been generated from 1-(tosyloxy)-1-hetarylalk-2-ynes 2via the elimination of para-toluenesulfonic acid on the treatment with ButOK.
Alk-1-ynyl(3-pyridyl)- and alk-1-ynyl(2-thienyl)carbenes as the first example of (alk-1-ynyl)carbenes with hetaryl substituents at carbenic centres
K. N. Shavrin, V. D. Gvozdev and O. M. Nefedov, Mendeleev Commun., 2002, 12, 224 DOI: 10.1070/MC2002v012n06ABEH001703
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