2875. 7-Dehydrositosterol
Nomenclature
CAS number: 521-04-0
(3β)-Stigmasta-5,7-dien-3-ol. C29H48O; mol wt 412.69.
C 84.40%, H 11.72%, O 3.88%.
Description and references
From soy bean oil β-sitosterol: Wunderlich, Z. Physiol. Chem. 241, 116 (1936). Starting with cholesterol: US 2386635 (1945).
Properties
Platelets from alc, browns on contact with air, mp 144-145°. [α]D21 -116° (c = 2 in chloroform). Sparingly sol in methanol, somewhat more in alcohol, freely sol in the other usual organic solvents. Insol in water.Derivative
Acetate.C31H50O2; mol wt 454.73.
C 81.88%, H 11.08%, O 7.04%.