Melamine → HCID 131716453, compound

Participants

Reaction Steps

To a suitable reactor equipped with an efficient reflux condenser and CaSO4 drying tube was charged 2.52 grams of melamine, 60 ml of oxalyl chloride and 60 ml of nitrobenzene and the mixture was brought to reflux with good stirring. The reaction mixture became homogeneous within 72 hours. The excess oxalyl chloride was first removed under slight vacuum at a bath temperature of 80° C. and then the nitrobenzene was removed at less than 1 mm of Hg, allowing the bath to rise to 140° C. The product obtained after stripping was a very light tan, clear semi-solid which showed an intense NCO band in the IR spectrum at 2250 cm-1 and also had other expected bands for s-triazine.

Provenance & Evidence