反应详情

9.81 g of tetrahydro-3-(2-propenyl)-2H-pyrane-2-one of interest were prepared in the same manner as in Preparation Example 2Z-5 except that 10.01 g (100.0 mmol) of δ-valerolactone were used instead of β-propiolactone described in Preparation Example 2Z-5.

1. customdescribed in Preparation Example 2Z-5