反应详情

Using the procedure of Example 9, (1R, cis, ΔZ) 2,2-dimethyl-3-(3-cyclobutoxy-3-oxo-1-propenyl)-cyclopropane-carboxylic acid 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-cyclobutoxy-3-oxo-1-propenyl)-cyclopropane-carboxylate with a specific rotation of [α]D20 =+18°±1° (c=1.2% in chloroform).

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