Nomenclature
CAS number: 124-98-1
(3α,4α,16β)-4,9-Epoxycevane-3,4,12,14,16,17,20-heptol.
C
27H
43NO
8; mol wt 509.63.
C 63.63%, H 8.50%, N 2.75%, O 25.12%.
Description and references
By hydrolysis of cevadine. Structure and stereochemistry:
Barton et al., Experientia 10, 81 (1954); Kupchan et al., J. Am. Chem. Soc. 80, 1769 (1958);
Kupchan et al., Tetrahedron 7, 47 (1959); Eeles, Tetrahedron Letters no.
7, 24 (1960). Comparative toxicity: O. Krayer et al., J. Pharmacol. Exp. Ther. 82, 167 (1944); K. Tanaka, ibid. 113, 89 (1955).
Properties
Occurs as the hemiheptahydrate, triclinic prisms
from dil alc. After drying at 110° it sinters at 165° and becomes
a transparent resin at 165-170°: M. Ikawa et al., J. Biol. Chem. 159, 517 (1945).
[α]D17 -17.5° (aq alc). Sol in water, alc; slightly sol in
ether. LD50 i.p. in rats: 87.0 mg/kg (Krayer). LD50 s.c. in male mice: 160 mg/kg (Tanaka).Derivative
Hydrochloride.
Properties
mp 247°.