CAS No 132203-70-4 , 3-O-(2-methoxyethyl) 5-O-[(E)-3-phenylprop-2-enyl]
2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Title: Cilnidipine
CAS Registry Number: 132203-70-4
CAS Name: 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-methoxyethyl (2E)-3-phenyl-2-propenyl ester
Synonyms: (±)-(E)-cinnamyl 2-methoxyethyl 1,4-dihydro-2,6-dimethyl-4-(m-nitrophenyl)-3,5-pyridinedicarboxylate
Manufacturers' Codes: FRC-8653
Trademarks: Atelec (Morishita); Cinalong (Fujirebio); Siscard (Boehringer, Ing.)
Molecular Formula: C27H28N2O7
Molecular Weight: 492.52
Percent Composition: C 65.84%, H 5.73%, N 5.69%, O 22.74%
Literature References: Dihydropyridine calcium channel blocker. Prepn: T. Kutsuma et al., EP 161877; eidem, US 4672068 (1985, 1987 both to Fujirebio). Pharmacology: K. Ikeda et al., Oyo Yakuri 44, 433 (1992). Mechanism of action study: M. Hosono et al., J. Pharmacobio-Dyn. 15, 547 (1992). LC-MS determn in plasma: K. Hatada et al., J. Chromatogr. 583, 116 (1992). Clinical study: M. Ishii, Jpn. Pharmacol. Ther. 21, 59 (1993). Acute toxicity study: S. Wada et al., Yakuri to Chiryo 20, Suppl. 7, S1683 (1992), C.A. 118, 32711 (1992).
Properties: Crystals from methanol, mp 115.5-116.6°. LD50 in male, female mice, rats (mg/kg): 35000, 35000, 35000, 4412 orally; 35000 all species s.c.; 1845, 2353, 441, 426 i.p. (Wada).
Melting point: mp 115.5-116.6°
Toxicity data: LD50 in male, female mice, rats (mg/kg): 35000, 35000, 35000, 4412 orally; 35000 all species s.c.; 1845, 2353, 441, 426 i.p. (Wada)
Therap-Cat: Antihypertensive.
Keywords: Antihypertensive; Dihydropyridine Derivatives; Calcium Channel Blocker; Dihydropyridine Derivatives.