Synthesis of Nitro-trimethylsilyl-acetylene

Abstract
A practical, one step, high yield synthesis of nitro-trimethylsilyl-acetylene (1), by treating bis[trimethylsilyl]acetylene with nitronium tetrafluoroborate in dichloromethane is described. Compound 1 was also obtained (in low yield) when bis-trimethylsilylacetylene was treated with nitryl fluoride in dichloromethane; the major reaction products resulted from addition of nitryl fluoride across the triple bond.

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