Title: Pirenzepine
CAS Registry Number: 28797-61-7
CAS Name: 5,11-Dihydro-11-[(4-methyl-1-piperazinyl)acetyl]-6
H-pyrido[2,3-
b][1,4]benzodiazepin-6-one
Manufacturers' Codes: LS-519
Molecular Formula: C19H21N5O2
Molecular Weight: 351.40
Percent Composition: C 64.94%, H 6.02%, N 19.93%, O 9.11%
Literature References: Tricyclic gastric-acid inhibitor. Prepn:
FR 1505795 (1967 to Thomae),
C.A. 70, 4154w (1969). Pharmacology: W. Eberlein
et al., Arzneim.-Forsch. 27, 356 (1977). Pharmacokinetics: R. Hammes
et al., ibid. 928. Mechanism of action: G. Heller
et al., Verh. Dtsch. Ges. Inn. Med. 84, 991 (1978),
C.A. 90, 132984s (1979). Human pharmacology: H. Brunner
et al., Arzneim.-Forsch. 27, 684 (1977). Multicenter controlled clinical trial:
Scand. J. Gastroenterol. 17, Suppl. 81, 1-42 (1982). Radioimmunoassay determn in human plasma and urine: C. A. Homon
et al., Ther. Drug Monit. 9, 236 (1987). Symposium:
ibid. Suppl. 72, 1-273. Review of pharmacology and therapeutic efficacy: A. A. Carmine, R. N. Brogden,
Drugs 30, 85-126 (1985). Comprehensive description: H. A. El-Obeid
et al., Anal. Profiles Drug Subs. 16, 445-506 (1987).
Derivative Type: Dihydrochloride
CAS Registry Number: 29868-97-1
Manufacturers' Codes: LS-519-Cl2
Trademarks: Duogastral (ISM); Durapirenz (Durachemie); Gasteril (Ripari-Gero); Gastrozepin (Thomae); Leblon (De Angeli); Maghen (Savio); Renzepin (Bergamon); Tabe (Bernabo); Ulcuforton (Plantorgan); Ulcosan (Domp?
Molecular Formula: C19H21N5O2.2HCl
Molecular Weight: 424.32
Percent Composition: C 53.78%, H 5.46%, N 16.50%, O 7.54%, Cl 16.71%
Properties: Sol in water, slightly sol in methanol. Practically insol in ether.
Therap-Cat: Antiulcerative.
Keywords: Antiulcerative.