in diethyl ether T=20°C; 24 h; oth. solvents, oth. ratio of reagents; Product distribution;

in methanol T=20°C; further solvent, various ratio of educts; Product distribution;

trichlorophosphate in dichloromethane; N,N-dimethyl-aniline

1: 70 percent / water, POCl3 / Heating 2: 77 percent / conc. H2SO4, HNO3 (d= 1.52) / 15 min, 15 deg C then 1 h, 20 deg C 3: 86 percent / 30percent hydrazine / ethanol / 15 min, 20 deg C then 5 min, reflux 4: 88 percent / Na2S2O4, 10percent NH4OH / 20 min then 5 min, reflux 5: 96 percent / dimethylformamide / 0.08 h / Heating 6: 89 percent / 2 h / Heating 7: conc. HCl / 0.08 h / Heating 8: 63 percent / acetic anhydride / 3 h / Heating View Scheme

pyridine in ethanol 2 h; Reflux;

potassium chloride; dihydrogen peroxide; chloroperoxydase in water

1: 33 percent / POCl3 / H2O / 1 h / Heating 2: 52 percent / butan-1-ol / 1 h / Heating View Scheme

in diethyl ether T=20°C; 24 h; oth. solvents, oth. ratio of reagents; Product distribution;

in methanol T=20°C; further solvent, various ratio of educts; Product distribution;