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温度

0 °C

Benzyl alcohol (10.8 g, 100.0 mol) was dissolved in 100 mL of CH2Cl2. The solution was cooled down to 0° C. and phenyl chloroformate (15.7 g, 100 mol) was slowly added dropwise. The solution was stirred at RT overnight. Addition of 100 mL of H2O was followed by 2× washes with 100 mL of 2M H2SO4 each time. The organic phase was separated off and dried over Na2SO4. The solvent was removed in vacuo to obtain a colorless liquid (22.5 g, 99%).

1. customThe organic phase was separated off
2. dry with materialdried over Na2SO4
3. customThe solvent was removed in vacuo