| Title:  Cyclandelate CAS Registry Number:  456-59-7 CAS Name:  a-Hydroxybenzeneacetic acid 3,3,5-trimethylcyclohexyl ester Additional Names:  mandelic acid 3,3,5-trimethylcyclohexyl ester;  3,3,5-trimethylcyclohexyl mandelate;  3,5,5-trimethylcyclohexyl amygdalate;  3,3,5-trimethylcyclohexanol a-phenyl-a-hydroxyacetate Manufacturers' Codes:  BS-572 Trademarks:  Cyclergine (Byk Gulden);  Cyclobral (Norgine);  Cyclolyt;  Cyclomandol (Yamanouchi);  Cyclospasmol (Wyeth-Ayerst);  Natil (3M);  Novodil (Augot);  Perebral (Beytout);  Spasmocyclon (3M) Molecular Formula:  C17H24O3 Molecular Weight:  276.37 Percent Composition:  C 73.88%, H 8.75%, O 17.37% Literature References:  Prepn:  N. Brock et al., Arzneim.-Forsch. 2, 165 (1952); A. B. H. Funcke et al., ibid. 3, 503 (1953); van Sluis, Chem. Prod. 17, 375 (1954); GB 707227; W. T. Nauta, US 2707193 (1954, 1955 both to Brocades-Stheeman).  Purification:  D. Flitter, US 3663597 (1972 to Am. Home Prods.).  Pharmacokinetics:  A. Orr, J. R. Whittier, Int. J. Nucl. Med. Biol. 1, 205 (1974).  GLC determn in human plasma:  G. Andermann, M. Dietz, J. Chromatogr. 223, 365 (1981).  Clinical trial in chronic cerebrovascular disease:  S. Bassi et al., Br. J. Clin. Pract. 38, 344 (1984).  Review of efficacy as cerebral and peripheral vasodilator:  C. B. Blakemore, ibid. 34, Suppl., 3-9 (1984).  Symposium on calcium modulation and clinical effects:  Drugs 33, Suppl. 2, 1-141 (1987).  Comprehensive description:  C. M. Shearer, Anal. Profiles Drug Subs. Excip. 21, 149-168 (1992). Properties:  Crystals, mp 55.0-56.5°.  bp14 192-194°.  uv max (ethanol):  269, 258, 251 nm (e 1575, 2020, 1630).  Very sol in chloroform, methanol; freely sol in acetonitrile, ethyl acetate, DMF, toluene.  Insol in water. Melting point:  mp 55.0-56.5° Boiling point:  bp14 192-194° Absorption maximum:  uv max (ethanol):  269, 258, 251 nm (e 1575, 2020, 1630) Therap-Cat:  Vasodilator (peripheral, cerebral). Keywords:  Vasodilator (Cerebral); Vasodilator (Peripheral).  |