反应详情

Using the procedure of Example 9, the product of Step B and (3-propyn-2-yl-2,5-dioxo-imidazolidinyl)-methanol were reacted to obtain (3-propyn-2-yl-2,5-dioxo-imidazolidinyl)-methyl (1R, cis, ΔZ) 2,2-dimethyl-3-(3-cyclopentyloxy-3-oxo-1-propenyl)-cyclopropane-carboxylate with a specific rotation of [α]D20 =+15.5°±1.5° (c=1% in chloroform).