Disclosed is a scalable process for preparation of 14-methyl-16-oxabicyclo[10.3.1]hexadec-12-ene (BCE), a key intermediate for manufacture of fragrance ingredient 3-methylcyclopentadecenone (MUSCENONE®) and analogs through reaction of 3-Methyl-1,5-cyclopentadecanedione (MCPD) and analogs with a metal or metalloid alkoxide in high yield and purity.
本发明公开了一种可扩展的制备14-甲基-16-氧杂双环[10.3.1]
十六烷-12-烯(BCE)的过程,该过程通过将3-甲基-1,5-
环戊二酮(MCPD)和类似物与
金属或类
金属烷氧基反应,高产率高纯度制备
香料成分3-甲基环戊
十五烯酮(MUSCENONE®)和类似物的关键中间体。