898. Azaperone

Nomenclature

CAS number: 1649-18-9
1-(4-Fluorophenyl)-4-[4-(2-pyridinyl)-1-piperazinyl]-1-butanone; 4′-fluoro-4-[4-(2-pyridyl)-1-piperazinyl]butyrophenone; 1-[3-(4-fluorobenzoyl)propyl]-4-(2-pyridyl)piperazine; R-1929; Stresnil (Janssen); Suicalm (Janssen).
C19H22FN3O; mol wt 327.40.
C 69.70%, H 6.77%, F 5.80%, N 12.83%, O 4.89%.

Description and references

Prepn: Janssen, US 2979508 (1961). Synthesis of labeled compound: Soudijn, van Wijngaarden, J. Lab. Comp. 4, 159 (1968). Distribution and metabolism studies in rat and pig: Heykants et al., Arzneim.-Forsch. 21, 982, 1263, 1357 (1971). Veterinary clinical studies: Symoens, van den Brande, Vet. Rec. 85, 64 (1969). Crystal structure: M. H. J. Koch et al., Acta Crystallogr. 33B, 1975 (1977).

Chemical structure

Properties

Crystals, mp 73-75°.

Therapeutic Category (Veterinary)

Sedative; tranquilizer.