反应详情

A mixture of 4-cyclopentene-1,3-dione (10 g, 104 mmol) and 2-methylfuran (15 ml) are stirred at room temperature for 3 days. Methanol (50 ml) is then added and the solid is collected and dried on a Buchner funnel to give 1-methyl-10-oxa-tricyclo[5.2.1.0*2,6*]dec-8-ene-3,5-dione (14.3 g)

1. customthe solid is collected
2. customdried on a Buchner funnel