2210-63-1

Butaphen,Wiedenmann

Mofebutazone is an anti-inflammatory drug used on the gastrointestinal and renal tissues.

ChEBI: A pyrazolidine that is phenylbutazone lacking one of the phenyl substituents. It is used for treatment of joint and muscular pain.

A mixture comprising 108 g of phenyl hydrazine and 216 g of the diethyl ester of n-butylmalonic acid is heated on an oil bath at 170°-180°C for 12 hours. The residue is taken up with water in which an alkaline compound has been dissolved and acetic acid is added to precipitate 4-n-butyl-2-phenylpyrazolidine-3,5-dione. The product is a white crystalline solid having a MP: 103°C. It is soluble in acetone and benzene, soluble in hot condition in methanol and ethanol and insoluble in water.

Arcobutine;Buta lyseen;Chemiartrol;Clinit;Diadin;Fenartril;Jovapyrin;Mobutazone;Mofasal;Mofesal;Monazone;Monbutina;Monobutina;Monofen;Monomil;Monoprine;Monozon;Mozol;Rheuma-cur;Rheumaorctat;Rivodol;Sodepyrine b 1.

Antirheumatic, Analgesic, Antiinflammatory

Mofebutazone, a pyrazolone with anti-inflammatory, analgesic and antipyretic activity, was introduced in 1962 for the treatment of rheumatic disorders. As it is structurally related to phenylbutazone it is subjected to rigorously restricted indications by some national regulatory authorities. See WHO comment for phenylbutazone.

Mofebutazone is a nonsteroidal anti-inflammatory drug used as sodium salt for the treatment of mild to moderate pain including inflammatory and degenerative rheumatic disorders and musculoskeletal pain. Mofebutazone can be given by oral, rectal (900–1200 mg/d), or intramuscular administration (650 mg/d).