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Piper ovatum

Ottonia vahlii [syn. Piper ovatum (Vahl)] (Piperaceae)... [Pg.283]

Piperovatine (21) is a crystalline isobutylamide first isolated from the leaves [24], roots and stems [25] of the shrub Ottonia vahlii (syn Piper ovatum) native to the West Indies and from Piper callosum [26], and exibits mild insecticidal and local anaesthetic activity [27]. The piperide trienamide (22) and the dienamide (9) have been isolated from Otanthus maritima [28]. [Pg.378]

Piperovatine, C16H21O2N (44), occurs in Piper ovatum Vahl. It crystallizes from aqueous methanol or from petroleum ether in colorless needles, m.p. 123° (corr.). It is devoid of basic properties and is insoluble in dilute mineral acids and alkali, but it is hydrolyzed by hot dilute hydrochloric acid or concentrated potassium hydroxide solution into an acid and a vola-... [Pg.170]


See other pages where Piper ovatum is mentioned: [Pg.2]    [Pg.13]    [Pg.2]    [Pg.13]    [Pg.684]    [Pg.114]   
See also in sourсe #XX -- [ Pg.21 , Pg.24 , Pg.378 , Pg.684 , Pg.704 , Pg.710 ]

See also in sourсe #XX -- [ Pg.378 ]

See also in sourсe #XX -- [ Pg.170 ]

See also in sourсe #XX -- [ Pg.684 , Pg.704 , Pg.710 ]




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