Pinazepam
Title: Pinazepam
CAS Registry Number: 52463-83-9
CAS Name: 7-Chloro-1,3-dihydro-5-phenyl-1-(2-propynyl)-2H-1,4-benzodiazepin-2-one
Additional Names: 7-chloro-1-propargyl-5-phenyl-3H-1,4-benzodiazepin-2(1H)-one
Manufacturers' Codes: Z-905
Trademarks: Domar (Zambeletti); Duna (Tedec Zambeletti)
Molecular Formula: C18H13ClN2O
Molecular Weight: 308.76
Percent Composition: C 70.02%, H 4.24%, Cl 11.48%, N 9.07%, O 5.18%
Literature References: Prepn: F. Tenconi et al., DE 2339790 (1974 to Zambeletti), C.A. 80, 133492k (1974); C. Podesva, K. Vagi, US 3842094 (1974 to Delmar). Metabolism study: A. Trebbi et al., J. Chromatogr. 110, 309 (1975). Pharmacological and toxicological studies: F. Scrollini et al., Arzneim.-Forsch. 25, 934 (1975). Pharmacokinetics: P. M. Boselli, F. Scrollini, Boll. Chim. Farm. 116, 363 (1977). Psychopharmacological properties: F. Scrollini et al., Arzneim.-Forsch. 28, 423 (1978). Physico-chemical profile: G. Filipi, A Trebbi, Boll. Chim. Farm. 118, 105 (1979). Clinical study: V. Bertoncelli et al., Clin. Ter. 94, 641 (1980).
Properties: Cryst from methanol/water, mp 140-142°. LD50 in mice, rats (mg/kg): 1355, 5819 orally; 266, 622 i.p. (Scrollini, 1975). Also reported as LD50 in mice (mg/kg): 670 orally (Podesva, Vagi).
Melting point: mp 140-142°
Toxicity data: LD50 in mice, rats (mg/kg): 1355, 5819 orally; 266, 622 i.p. (Scrollini, 1975); Also reported as LD50 in mice (mg/kg): 670 orally (Podesva, Vagi)
NOTE: This is a controlled substance (depressant): 21 CFR, 1308.14.
Therap-Cat: Anxiolytic.
Keywords: Anxiolytic; Benzodiazepine Derivatives.

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