Title: Pizotyline
CAS Registry Number: 15574-96-6
CAS Name: 4-(9,10-Dihydro-4
H-benzo[4,5]cyclohepta[1,2-
b]thien-4-ylidene)-1-methylpiperidine
Synonyms: 4-(1-methyl-4-piperidylidene)-9,10-dihydro-4
H-benzo[4,5]cyclohepta[1,2-
b]thiophene; pizotifen; pizotifan
Manufacturers' Codes: BC-105
Molecular Formula: C19H21NS
Molecular Weight: 295.44
Percent Composition: C 77.24%, H 7.16%, N 4.74%, S 10.85%
Literature References: Serotonin antagonist structurally related to cyproheptadine,
q.v. Prepn: Jucker
et al., BE 636717 and
US 3272826 (1964, 1966 to Sandoz); Bastian
et al., Helv. Chim. Acta 49, 214 (1966). Toxicity data: Bagdon, Dorado,
Pharmacologist 12, No. 2, 297 (1970). Mechanism of action study: E. Müller-Schweinitzer,
J. Cardiovasc. Pharmacol. 8, 805 (1986). Clinical trial in migraine: D. Crowder, W. P. Maclay,
Curr. Med. Res. Opin. 9, 280 (1984). Review of pharmacology and therapeutic efficacy: Speight, Avery,
Drugs 3, 159-203 (1972).
Derivative Type: Hydrochloride
CAS Registry Number: 73391-87-4
Properties: Crystals from isopropanol-ether, mp 261-263° (dec).
Melting point: mp 261-263° (dec)
Derivative Type: Malate
CAS Registry Number: 5189-11-7
Trademarks: Litec (Novartis); Sandomigran (Novartis); Sanmigran (Novartis); Sanomigran (Novartis); Mosegor (Novartis)
Molecular Formula: C19H21NS.C4H6O5
Molecular Weight: 429.53
Percent Composition: C 64.31%, H 6.34%, N 3.26%, S 7.47%, O 18.62%
Properties: Crystals from methanol, mp 185-186° (dec).
Melting point: mp 185-186° (dec)
Therap-Cat: Antimigraine; appetite stimulant.
Keywords: Anabolic; Antidepressant; Tricyclics; Antimigraine.