Triethylamine → Dimethyl 3(4-nitrophenyl)-2-isoxazolin-5-ylphosphonate

Beteiligte Stoffe

Reaktionsschritte

Preparation is carried out in analogy to Example 1 from 19.6 g (0.118 mol) of 4-nitrobenzaldoxime, 17.4 g (0.13 mol) of N-chlorosuccinimide, 16.1 g (0.118 mol) of dimethyl vinylphosphonate and 18.7 ml (0.13 mol) of triethylamine. Crystallization of the crude product from tert.butyl methyl ether provides analytically pure compound of melting point 156° to 158° C.

Herkunft & Nachweise