Tetrahedron Letters p. 1821 - 1824 (1992)
Update date:2022-08-06
Topics:
Rubinsztajn, Slawomir
Fife, Wilmer K.
Zeldin, Martel
1-Methyl-4-ethynylpyridinium triflate has been prepared by treatment of 4-ethynylpyridine with methyl triflate in methylene chloride. This new active acetylenic monomer trimerized to tris-1,3,5-(1-methylpyridinium-4-yl)benzene triflate when heated in aqueous solution. The new compounds were isolated and characterized.
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