反应详情

Concentrated hydrochloric acid (3.5 ml) was added to a solution of 7-acetoxy-3-methoxybicyclo[4,3,0]non-3-ene (58.9 g; prepared as described in Reference Example 3) in methanol (500 ml), and the mixture was stirred at the ambient temperature for 5 minutes. It was then concentrated under reduced pressure, to give 7-acetoxybicyclo[4,3,0]nonan-3-one (54.7 g).

1. concentrationIt was then concentrated under reduced pressure