Acylation of 4-substituted 1-trimethylsilylbuta-1,3-diynes (2) with suitable acyl halides in the presence of titanium tetrachloride gave diacetylenic ketones (3) including the naturally occurring compounds (3c), (3e), and (3f).
在
四氯化钛存在下,将4-取代的1-trimethylsilylbuta-1,3-diynes(2)与合适的酰基卤酰化,得到二炔酮(3),包括天然存在的化合物(3c),(3e)和(3f) 。