Title: Fungisterol
CAS Registry Number: 53260-54-1
CAS Name: (3b,5a,22E)-Ergosta-6,8,22-trien-3-ol
Molecular Formula: C28H44O
Molecular Weight: 396.65
Percent Composition: C 84.78%, H 11.18%, O 4.03%
Literature References: Formed from ergosterol by fungi. Isoln from Penicillium chrysogenum: A. Saito, J. Ferment. Technol. 29, 457 (1951), C.A. 47, 12507f (1953). Structure: idem, ibid. 31, 141 (1953), C.A. 48, 5276d (1954); idem, ibid. 32, 138, 140 (1954), C.A. 49, 9009i (1955).
Properties: Crystals from alcohol + ether + ethyl acetate, mp 147.5°. [a]D15 -21.9° (chloroform).
Melting point: mp 147.5°
Optical Rotation: [a]D15 -21.9° (chloroform)
Derivative Type: Acetate
Molecular Formula: C30H46O2
Molecular Weight: 438.69
Percent Composition: C 82.14%, H 10.57%, O 7.29%
Properties: Crystals, mp 158.5°. [a]D15 -15.7° (chloroform).
Melting point: mp 158.5°
Optical Rotation: [a]D15 -15.7° (chloroform)
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