| Title:  Aspidinol CAS Registry Number:  519-40-4 CAS Name:  1-(2,6-Dihydroxy-4-methoxy-3-methylphenyl)-1-butanone Additional Names:  2¢,6¢-dihydroxy-4¢-methoxy-3¢-methyl-1-butyrophenone;  4-butyryl-2-methylphloroglucinol 1-methyl ether;  4-butyryl-3,5-dihydroxy-1-methoxy-2-methylbenzene Molecular Formula:  C12H16O4 Molecular Weight:  224.25 Percent Composition:  C 64.27%, H 7.19%, O 28.54% Literature References:  Occurs in extracts of male fern:  Boehm, Ann. 318, 247 (1901); Hausmann, Arch. Pharm. 237, 559 (1899).  Isoln from Dryopteris austriaca (Jacq.) Woynar, Polypodiaceae:  Aebi et al., Helv. Chim. Acta 40, 266 (1957).  Synthesis from 2-methylphloroglucinol 1-methyl ether:  Karrer, Widmer, Helv. Chim. Acta 3, 392 (1920); Riedl, Mittledorf, Ber. 89, 2589 (1956). Properties:  Needles or prisms from benzene.  mp 156-161°.  Freely sol in alc, ether, chloroform, acetone; sparingly sol in water, benzene.  Less soluble in ligroin than pseudoaspidinol, mp 116.5°.  Sol in NaOH solns.  Practically insol in Na2CO3 solns. Melting point:  mp 156-161°; mp 116.5° Therap-Cat:  Anthelmintic (Cestodes). Keywords:  Anthelmintic (Cestodes).  |