lithium hydroxide in ethanol 4 h;

With  boron trifluoride diethyl etherate in  acetonitrile 0.333333 h;  Ambient temperature;   

Multi-step reaction with 3 steps 1: 30 mg / SiO2 / benzene / 30 h / Ambient temperature2: hydrogen / 5percent Pd/C / ethanol / 5 h3: 100 percent / BF3*Et2O / acetonitrile / 0.33 h / Ambient temperature  

Multi-step reaction with 2 steps 1: hydrogen / 5percent Pd/C / ethanol / 5 h2: 100 percent / BF3*Et2O / acetonitrile / 0.33 h / Ambient temperature