Acetic Anhydride → HCID 20476832, compound

Participants

Reaction Conditions

Reaction Steps

2.1 g (5 mmoles) of 4-(4-chloro-3-dimethylsulfamoylphenyl)-2-(4-hydroxyphenylimino)-3-methyl-4-thiazoline (Example 2) are suspended in 25 ml of acetic anhydride and the yellow solution which results on warming, is stirred for 1 hour at 120° C. After distilling off the acetic anhydride in vacuo, the solid residue is recrystallized from isopropanol. Colorless crystals of m.p. 173°-174° C.

Provenance & Evidence