Thionyl Chloride → HCID 13476542, compound

Participants

Reaction Steps

A mixture of 3.6 parts of 1-(2-hydroxyethyl)-2,4(1H,3H)-quinazolinedione and 40 parts of thionyl chloride is stirred and refluxed overnight. The reaction mixture is allowed to cool to room temperature. The precipitated product is filtered off, washed with 2,2'-oxybispropane and dried, yielding 3.4 parts (86%) of 1-(2-chloroethyl)-2,4-(1H,3H)-quinazolinedione; mp. 215.3° C.

Provenance & Evidence