1: 1.) DIBAL-H / 2.) ether, toluene, warming from 5 to 23 deg C, 1 h 2: 1.27 g / 2 N HCl / tetrahydrofuran / 16 h / 25 °C 3: pyridine / 16 h / 25 °C 4: 1 N NaOH / methanol / 25 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 46, p. 4393 - 4398