| Title:  Diphenidol CAS Registry Number:  972-02-1 CAS Name:  a,a-Diphenyl-1-piperidinebutanol Additional Names:  1,1-diphenyl-4-piperidino-1-butanol;  diphenyl-[3-(1-piperidyl)propyl]carbinol;  defenidol Manufacturers' Codes:  SKF-478 Molecular Formula:  C21H27NO Molecular Weight:  309.45 Percent Composition:  C 81.51%, H 8.79%, N 4.53%, O 5.17% Literature References:  Prepn:  Miescher, Marxer, US 2411664 (1946 to Ciba); Barrett, Wilkinson, GB 683950 (1952 to Wellcome Foundation), C.A. 48, 2112e (1954).  Structure-activity studies:  Gautier et al., Med. Pharmacol. Exp. 13, 325 (1965).  Clinical studies:  Cutt et al., Aerosp. Med. 39, 682 (1968); Benson, ibid. 40, 589 (1969).  Acute toxicity:  E. I. Goldenthal, Toxicol. Appl. Pharmacol. 18, 185 (1971). Properties:  Needles from petr ether, mp 104-105°.  LD50 s.c. in rats:  50 mg/kg (Goldenthal). Melting point:  mp 104-105° Toxicity data:  LD50 s.c. in rats:  50 mg/kg (Goldenthal)   Derivative Type:  Hydrochloride  CAS Registry Number:  3254-89-5 Manufacturers' Codes:  SKF-478-A Trademarks:  Ansmin (SS Pharm.);  Cefadol (Nippon Shinyaku);  Celmidol (Tobishi);  Difenidolin (Taiyo);  Maniol (Morishita);  Mecalmin (Yoshitomi);  Pineroro (Maruko);  Satanolon (Tatsumi);  Tenesdol (Hishiyama);  Vontrol (SK & F);  Wansar (Hoei) Molecular Formula:  C21H27NO.HCl Molecular Weight:  345.91 Percent Composition:  C 72.92%, H 8.16%, N 4.05%, O 4.63%, Cl 10.25% Properties:  Crystals from chloroform + ethyl acetate, mp 212-214°.  Freely sol in methanol; sol in water, chloroform.  Practically insol in ether, benzene, petr ether. Melting point:  mp 212-214°   Therap-Cat:  Antiemetic. Keywords:  Antiemetic.  |