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 1(R)-(3-phenoxy-phenyl)-ethanol were reacted to obtain 1(R)-(3-phenoxy-phenyl)-ethyl (1R, cis, ΔZ) 2,2-dimethyl-3-(3-cyclobutoxy-3-oxo-1-propenyl)-cyclopropane-carboxylate with a specific rotation of [α]D20 =+125.5°±2° (c=1% in chloroform).

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