1 69 



Terpenoids and Steroids 



Heinrich Wieland, Fridolf Rath and Horst Hesse, Ann. 548 

 34 (1941). 



341 5,6-Dihydroergosterol (A'"--Ergostadien-3/?-ol), C2sH4(;0, color- 

 less crystals, m.p. 176°, [a]i)-° '^ —19° (in chloroform). 



HO 



Yeasts, Claviceps purpurea 



Heinrich Wieland and Willi Benend, Ann. 554 1 (1943). 



D. H. R. Barton and J. D. Cox, /. Chem. Soc, 1354 (1948). 



342 Fecosterol (A^'^**^^*'-Ergostadien-3^-ol), C28H46O, colorless crys- 

 tals, m.p. 161-163°, [alo'' -f 42° (in chloroform). 



C^ 



HO 

 Yeasts 



Heinrich Wieland, Fridolf Rath and Horst Hesse, Ann. 548 

 34 (1941). 



D. H. R. Barton and J. D. Cox, /. Chem. Soc, 214 (1949). 



343 Ascosterol (A^^^"'-Ergostadien-3^-ol), C28H46O, colorless crystals, 

 m.p. 146°, [aW^ +45° (in chloro'form). 



HO 



Yeasts 



