Title: b-Ergostenol
CAS Registry Number: 632-31-5
CAS Name: (3b,5a)-Ergost-14-en-3-ol
Molecular Formula: C28H48O
Molecular Weight: 400.68
Percent Composition: C 83.93%, H 12.07%, O 3.99%
Literature References: From a-ergostenol by treatment with HCl-gas in chloroform: Reindel et al., Ann. 452, 34 (1927).
Properties: Plates, tablets from alcohol, mp 141°. [a]D20 +21.2° (c = 0.9 in chloroform).
Melting point: mp 141°
Optical Rotation: [a]D20 +21.2° (c = 0.9 in chloroform)
Derivative Type: Acetate
Molecular Formula: C30H50O2
Molecular Weight: 442.72
Percent Composition: C 81.39%, H 11.38%, O 7.23%
Properties: mp 114°. [a]D20 +13° (c = 1.2 in chloroform).
Melting point: mp 114°
Optical Rotation: [a]D20 +13° (c = 1.2 in chloroform)
Derivative Type: Benzoate
Molecular Formula: C35H52O2
Molecular Weight: 504.79
Percent Composition: C 83.28%, H 10.38%, O 6.34%
Properties: mp 158-160°. [a]D20 +18.3°, [a]20546 +22.5° (c = 1 in ethyl acetate).
Melting point: mp 158-160°
Optical Rotation: [a]D20 +18.3°; [a]20546 +22.5° (c = 1 in ethyl acetate)
Status: This monograph has been retired and is no longer subject to revision or update. |