Title: Ipsapirone
CAS Registry Number: 95847-70-4
CAS Name: 2-[4-[4-(2-Pyrimidinyl)-1-piperazinyl]butyl]-1,2-benzisothiazolin-3(2
H)-one 1,1-dioxide
Synonyms: isapirone
Molecular Formula: C19H23N5O3S
Molecular Weight: 401.48
Percent Composition: C 56.84%, H 5.77%, N 17.44%, O 11.96%, S 7.99%
Literature References: Nonbenzodiazepine anxiolytic; 5-hydroxytryptamine (5-HT1) receptor agonist. Prepn: W. Dompert
et al., DE 3321969; P.-R. Seidel
et al., US 4818756 (1984, 1989 both to Troponwerke). Pharmacology and serotonin (5-HT1) receptor binding study: J. Traber
et al., Brain Res. Bull. 12, 741 (1984). 5-HT1 specific binding activity: W. U. Dompert
et al., Arch. Pharmacol. 328, 467 (1985); T. Glaser, J. Traber,
ibid. 329, 211 (1985). Behavioral effects in mice: R. J. DeSouza
et al., Br. J. Pharmacol. 89, 377 (1986). Neurophysiological effects in comparison with buspirone. M. J. Rowan, R. Anwyl,
Eur. J. Pharmacol. 132, 93 (1987). HPLC determn in biological samples: G. Bianchi, S. Caccia,
J. Chromatogr. 431, 477 (1988).
Properties: Crystals from isopropanol, mp 137-138°.
Melting point: mp 137-138°
Derivative Type: Hydrochloride
CAS Registry Number: 92589-98-5
Manufacturers' Codes: Bay q 7821; TVX Q 7821
Molecular Formula: C19H23N5O3S.HCl
Molecular Weight: 437.94
Percent Composition: C 52.11%, H 5.52%, N 15.99%, O 10.96%, S 7.32%, Cl 8.10%
Properties: Crystals from isopropanol, mp 221-222°.
Melting point: mp 221-222°
Therap-Cat: Anxiolytic.
Keywords: Anxiolytic; Arylpiperazines; Serotonin Receptor Agonist.