Water → HCID 67064832, compound

Participants

Reaction Conditions

Reaction Steps

4-Chlororesorcinol (33 g) was mixed with 4,5-dichlorophthalic anhydride in methane sulfonic acid (100 mL) according to the procedure of Menchen, et. al, (U.S. Pat. No. 5,654,442). Briefly, with magnetic stirring, the solution was heated to 180° C. over 30 min and maintained for an additional 30 minutes. The mixture was allowed to cool to ˜100° C. and was cautiously poured into water (1 L). The solid was collected by filtration and air dried for several days, followed by 24 h of high vacuum and was characterized as having the structure above.

Provenance & Evidence