The base-induced reaction of diazomethyltrimethylsilane (1) or of the dialkyl diazomethylphosphonates (4) and (5) with aromatic carbonyl compounds leads directly to the corresponding homologous alkynes. The mechanism, scope, and limitations of this synthetically useful process have been investigated.
E. W. Colvin and B. J. Hamill, J. Chem. Soc., Perkin Trans. 1, 1977, 869 DOI: 10.1039/P19770000869
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