1: With oxalyl dichloride; dimethyl sulfoxide in dichloromethane T=-78°C; 0.25 h; 2: 2-chloro-3-methylbenzyl alcohol in dichloromethane 0.5 h; 3: With triethylamine in dichloromethane T=20°C; 1 h;

2-Nitropropane; sodium ethanolate in ethanol Heating;

1: 57 percent / N-bromosuccinimide / CCl4 / Heating; Irradiation 2: 77 percent / NaOEt, 2-nitropropane / ethanol / Heating View Scheme

trichlorophosphate 1.) 30 min, room temperature, 2.) 4-4.5 h, boiling water-bath;