| Title:  Conivaptan CAS Registry Number:  210101-16-9 CAS Name:  N-[4-[(4,5-Dihydro-2-methylimidazo[4,5-d][1]benzazepin-6(1H)-yl)carbonyl]phenyl][1,1¢-biphenyl]-2-carboxamide Additional Names:  4¢-[(2-methyl-1,4,5,6-tetrahydro-imidazo[4,5-d][1]benzazepin-6-yl)carbonyl]-2-phenylbenzanilide Molecular Formula:  C32H26N4O2 Molecular Weight:  498.57 Percent Composition:  C 77.09%, H 5.26%, N 11.24%, O 6.42% Literature References:  Nonpeptide, dual vasopressin V1a/V2 receptor antagonist.  Prepn:  A. Tanaka et al., WO 9503305; eidem, US 5723606 (1995, 1998 both to Yamanouchi); A. Matsuhisa et al., Chem. Pharm. Bull. 48, 21 (2000).  Pharmacology:  Y. Yatsu et al., Eur. J. Pharmacol. 321, 225 (1997).  Binding specificity study:  A. Tahara et al., Peptides 19, 691 (1998).  Clinical pharmacokinetics:  M. Burnier et al., Eur. J. Clin. Pharmacol. 55, 633 (1999).  Clinical evaluation in advanced heart failure:  J. E. Udelson et al., Circulation 104, 2417 (2001).  Review of clinical development:  S. A. Doggrell, Curr. Opin. Invest. Drugs 6, 317-326 (2005).   Derivative Type:  Hydrochloride  CAS Registry Number:  168626-94-6 Manufacturers' Codes:  Cl-1025;  YM-087;  YM-35087 Trademarks:  Vaprisol (Astellas) Molecular Formula:  C32H26N4O2.HCl Molecular Weight:  535.04 Percent Composition:  C 71.83%, H 5.09%, N 10.47%, O 5.98%, Cl 6.63% Properties:  Crystals, mp >250°. Melting point:  mp >250°   Therap-Cat:  In treatment of congestive heart failure. Keywords:  Vasopressin Receptor Antagonist.  |