Fluorobenzene → HCID 20393454, compound

Participants

Reaction Steps

acylating fluorobenzene with gamma-carbonylhalide-gamma-valerolactone, gamma-carboxy-gamma-valerolactone or gamma-carboxy-gamma-valerolactone anhydride in the presence of gallium trihalide, aluminum trihalide, antimony trihalide, titanium tetrahalide, boron trihalide or iron trihalide to form gamma-(para-fluorobenzoyl)-gamma-valerolactone; or acylating fluorobenzene with gamma-methyl-glutaconic anhydride in the presence of aluminum chloride, polyphosphoric acid, hydrogen fluoride, sulfuric acid, fluoroboric acid, boron trifluoride, boron trichloride or boron tribromide at a temperature of from 0°-85° C to form 4-(para-fluorobenzoyl)-3-pentenoic acid;

Provenance & Evidence