Home > Name List By 3 > 3-methylbutyl 7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate

CAS No 73080-51-0 , 3-methylbutyl
7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate

  • Name: 3-methylbutyl
    7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate
  • Synonyms: MY-5116; BRN 4267921; MY 5116; Repirinastum [INN-Latin]; 73080-51-0;Romet;3-methylbutyl
    7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate;
  • CAS Registry Number:
  • Flash Point: 305.4°C
  • Boiling Point: 581.3°C at 760 mmHg
  • Density: 1.27g/cm3
  • Refractive index: 1.592
  • Safety Statements: Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.
  • Flash Point: 305.4°C
  • Molecular Weight: 355.38444
  • InchiKey: NFQIAEMCQGTTIR-UHFFFAOYSA-N
  • InChI: InChI=1S/C20H21NO5/c1-10(2)7-8-25-20(24)15-9-14(22)16-18(26-15)13-6-5-11
    (3)12(4)17(13)21-19(16)23/h5-6,9-10H,7-8H2,1-4H3,(H,21,23)
  • Molecular Formula: C20H21NO5
  • Molecular Structure:CAS No:73080-51-0 3-methylbutyl<br />7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate

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References of 3-methylbutyl
7,8-dimethyl-4,5-dioxo-6H-pyrano[3,2-c]quinoline-2-carboxylate
Title: Repirinast
CAS Registry Number: 73080-51-0
CAS Name: 5,6-Dihydro-7,8-dimethyl-4,5-dioxo-4H-pyrano[3,2-c]quinoline-2-carboxylic acid 3-methylbutyl ester
Synonyms: isopentyl 5,6-dihydro-7,8-dimethyl-4,5-dioxo-4H-pyrano[3,2-c]quinoline-2-carboxylate
Manufacturers' Codes: MY-5116
Trademarks: Romet (Mitsubishi)
Molecular Formula: C20H21NO5
Molecular Weight: 355.38
Percent Composition: C 67.59%, H 5.96%, N 3.94%, O 22.51%
Literature References: Prepn: BE 876751; Y. Morinaka, K. Takahashi, US 4298610 (1979, 1981 both to Mitsubishi Yuka); Y. Morinaka et al., Eur. J. Med. Chem. - Chim. Ther. 16, 251 (1981). General pharmacology in animals: K. Takahashi et al., Oyo Yakuri 32, 233 (1986), C.A. 105, 218691j (1986). Anti-allergic effects: S. Kono, K. Ohata, Arerugi 35, 1105 (1986), C.A. 106, 165870z (1987). Toxicity: M. Nagase et al., Iyakuhin Kenkyu 17, 545 (1986), C.A. 106, 108121r (1987).
Properties: Crystals from chloroform + n-hexane, mp 236-241°. LD50 in rats, mice (mg/kg): >5000 orally, >5000 s.c. both species (Nagase).
Melting point: mp 236-241°
Toxicity data: LD50 in rats, mice (mg/kg): >5000 orally, >5000 s.c. both species (Nagase)
Therap-Cat: Antiallergic.
Keywords: Antiallergic.