1.1: hydrogenchloride / ethanol; water / Reflux 2.1: bromine; acetic acid / 1.5 h / Reflux 3.1: trichlorophosphate; N,N-dimethyl-aniline / 1.5 h / Reflux 3.2: Cooling with ice View Scheme

1: hydrogenchloride / ethanol; water / Reflux 2: bromine; acetic acid / 1.5 h / Reflux View Scheme

hydrogenchloride in ethanol; water Reflux;

1: hydrogenchloride / ethanol / Reflux 2: bromine; acetic acid / 1.5 h / Reflux 3: trichlorophosphate; N,N-dimethyl-aniline / 1.5 h / Reflux 4: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 20 °C View Scheme

1.1: hydrogenchloride / ethanol; water / Reflux 2.1: bromine; acetic acid / 1.5 h / Reflux 3.1: trichlorophosphate; N,N-dimethyl-aniline / 1.5 h / Reflux 3.2: Cooling with ice 4.1: N,N-dimethyl-formamide / 1.5 h / 20 °C View Scheme