2199. (5α)-Cholestane

Nomenclature

CAS number: 481-21-0
C27H48; mol wt 372.67.
C 87.02%, H 12.98%.

Description and references

The trans-decalin homolog of coprostane, q.v. Prepd from cholesteryl chloride: Diels, Linn, Ber. 41, 548 (1908); Windaus, Ber. 50, 136 (1917); Ruzicka et al., Helv. Chim. Acta 16, 327 (1933). Crystal structure: Haner, Norton, Acta Crystallogr. 20, 930 (1966).

Chemical structure

Properties

Scales from ether + alcohol. mp 80°. [α]D20 +24.4° or +30.2° (c = 2 in chloroform). nD88 1.4887. Freely sol in chloroform, ether, benzene, slightly in abs alcohol.