| Title:  Buflomedil CAS Registry Number:  55837-25-7 CAS Name:  4-(1-Pyrrolidinyl)-1-(2,4,6-trimethoxyphenyl)-1-butanone Additional Names:  2¢,4¢,6¢-trimethoxy-4-(1-pyrrolidinyl)butyrophenone;  (2,4,6-trimethoxyphenyl)-(3-pyrrolidinopropyl) ketone Molecular Formula:  C17H25NO4 Molecular Weight:  307.38 Percent Composition:  C 66.43%, H 8.20%, N 4.56%, O 20.82% Literature References:  Prepn:  L. Lafon, DE 2122144; idem, US 3895030 (both 1971 to Orsymonde).  Pharmacology:  J. Duteil et al., Therapie 30, 207 (1975); C. Debray et al., ibid. 259.  HPLC determn:  J. A. Badmin et al., J. Chromatogr. 172, 319 (1979).  Clinical pharmacokinetics:  U. Gundert-Remy et al., Eur. J. Clin. Pharmacol. 20, 459 (1981).  Comparative safety and efficacy study:  G. Rosas et al., Angiology 32, 291 (1981).  Review of pharmacology and therapeutic effects:  S. P. Clissold et al., Drugs 33, 430-460 (1987).   Derivative Type:  Hydrochloride  CAS Registry Number:  35543-24-9 Manufacturers' Codes:  LL-1656 Trademarks:  Bufedil (Abbott);  Buflan (Fournier);  Buflocit (CT);  Buflonat (Nattermann);  Fonzylane (Orsymonde);  Irrodan (Biomed. Foscama);  Lofton (Abbott);  Loftyl (Abbott);  Provas (Sanol Schwarz) Molecular Formula:  C17H25NO4.HCl Molecular Weight:  343.85 Percent Composition:  C 59.38%, H 7.62%, N 4.07%, O 18.61%, Cl 10.31% Properties:  White crystals from isopropanol, mp 192-193°.  LD50 in mice (mg/kg):  80 ±4.6 i.v. (Lafon). Melting point:  mp 192-193° Toxicity data:  LD50 in mice (mg/kg):  80 ±4.6 i.v. (Lafon)   Therap-Cat:  Vasodilator (peripheral). Keywords:  Vasodilator (Peripheral).  |