1: With N-ethyl-N,N-diisopropylamine; phenyl chloroformate in toluene T=60 - 80°C; 2 h; 2: With potassium hydroxide in ethanol; water 2 h; Heating / reflux; 3: With ammonium chloride in ethanol 2 h; Heating / reflux;
1: With methyl-magnesium chloride in tetrahydrofuran; diethyl ether T=10°C; 2: With water; ammonium chloride in tetrahydrofuran; diethyl ether 3: With hydrogenchloride in diethyl ether T=0 - 10°C; pH=1; 3 h;
