trichlorophosphate 2 h; heated on a steam bath;

zinc(II) chloride in ethanol Heatingother N,N-dimethylformamidine and N-formyl derivatives; MechanismProduct distribution;

1: 1) potassium tert-butoxide, 2) acetic acid / 1) DMF, 45 min, on a steam bath, 2) H2O, 10 min, reflux 2: 96 percent / potassium hydroxide / ethanol; H2O / 1.5 h / Heating 3: 80 percent / quinoline / 185 °C View Scheme