1.1: thiourea / ethanol / 5.5 h / 50 °C
1.2: 1.5 h / 20 °C
1.3: Cooling with ice
2.1: acetic acid; iron / ethyl acetate; water / 0.17 h / 70 °C
View Scheme
1.1: trichlorophosphate; quinoline / 5.5 h / Reflux
1.2: Cooling with ice
2.1: thiourea / ethanol / 5.5 h / 50 °C
2.2: 1.5 h / 20 °C
2.3: Cooling with ice
3.1: acetic acid; iron / ethyl acetate; water / 0.17 h / 70 °C
View Scheme
1.1: nitric acid; sulfuric acid / water / 1 h / 80 °C
2.1: trichlorophosphate; quinoline / 5.5 h / Reflux
2.2: Cooling with ice
3.1: thiourea / ethanol / 5.5 h / 50 °C
3.2: 1.5 h / 20 °C
3.3: Cooling with ice
4.1: acetic acid; iron / ethyl acetate; water / 0.17 h / 70 °C
View Scheme