Jasonia montana

Examples of other antimicrobial diterpenoids from the Anthemideae tribe also included a nor-ent-kaurane diterpene, Fig. (26) from the aerial parts of Antennaria geyeri L. [196], three new diterpenes jasonin A-C isolated from the aerial parts of Jasonia montana [206] and the terpenes 15-hydroxy-7-labden-17-oic acid, Fig. (27) and their acetate from Eupatorium glutinosum Matico, which were active against 2 Gram (-) and 2 Gram (-I-) bacteria [207,208]. 

Ac [33766-42-6]. 8-Acetoxy-2,6-dimethyT3,6-octadien-2-ol C12H20O3 M 212.288 Constit. of Jasonia montana. Oil. 

C15H24O M 220.354 Parent compd. apparently unknown. 11-Hydroxy [119765-85-4]. 11-Hydroxyjasionone C15H24O2 M 236.353 Constit. of Jasonia montana. Oil. 

Found in eucalyptus essential oil, cineole (88) is also found in rosemary (Rosmarinus officinalis) [127], cardamom (Elettaria) [133], sage (Salvia) [126], Laurus nobilis [143], Alphinia speciosa [144], Aegle marmelos [145], Heteropyxis natalensis [146], Jasonia candicans, and J. montana [147]. It is active in the inhibition of fungi [118,133,143,145] but is reported to be inactive against the Gram positive bacteria S. aureus [148],... 

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