1: 64 percent / NaOMe, NH3(gas) / methanol / 1008 h / Ambient temperature 2: 5 percent / 30 min,110 deg C, 15 h, 100-102 deg C View Scheme

1: 64 percent / NaOMe, NH3(gas) / methanol / 1008 h / Ambient temperature 2: 48 percent / pTsOH / xylene / 48 h / Heating View Scheme