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Ergosterol-5a,8a-peroxide

Hydroxy-8-methoxytrypethelone methyl ether Cryptochlorophaeic acid Dechloropannarin Congrayanic acid Ergosterol-5a,8a-peroxide... [Pg.117]

Ergosterol-5a,8a-peroxide 590 Ergosterol peroxide from lichens ... [Pg.212]

The diene of ergosterol is very sensitive to oxidation. The 5a,8a-peroxide of ergosterol and a substantial number of other oxidation produets have been found as fungal metabolites. [Pg.107]

Peroxy derivatives of steroids have been isolated from both marine and terrestrial sources. They are most commonly 5a, 8a-endoperoxides with variations in the side-chains. The ergosterol peroxide 102 is the most ubiquitous endoperoxide-containing natural product and is isolated from a large number of sources. Ergosterol peroxide 102 was found to have antitumour activity against breast cancer and carcinosarcoma cell lines. A number of other steroidal endoperoxides have been reported which differ in the nature of the side-chain. Compound 103 was found to be an inhibitor of tumour promotion in mouse studies . [Pg.1334]

See other pages where Ergosterol-5a,8a-peroxide is mentioned: [Pg.40]    [Pg.392]    [Pg.392]    [Pg.40]    [Pg.392]    [Pg.392]    [Pg.62]    [Pg.252]   
See also in sourсe #XX -- [ Pg.644 , Pg.1283 ]

See also in sourсe #XX -- [ Pg.392 ]

See also in sourсe #XX -- [ Pg.212 , Pg.213 ]



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