2,2,6-三甲基环己酮 、
2,2,3,6-tetramethylcyclohexanol 在
2,2,3,6-tetramethyl-1-(but-1'-yn-3'-en-1'-yl)-cyclohexanol 作用下,
以gives 9.6 g of unconverted tetramethyl-cyclohexanone and 21 g (corresponding to 73% of theory, based on ketone converted) of 2,2,3,6-tetramethyl-1-(but-1'-yn-3'-en-1'-yl)-cyclohexanol of boiling point 66°-67° C/0.2 mm Hg and refractive index nD25 = 1.5018的产率得到Tetramethyl-cyclohexanone