Phytochemistry p. 1261 - 1264 (1997)
Update date:2022-08-12
Topics:
Toyota, Masao
Koyama, Hiroki
Asakawa, Yoshinori
Three liverworts, Archilejeunea olivacea. Cheilolejeunea imbricata and Leptolejeunea elliptica, belonging to the Lejeuneaceae, have been investigated chemically. Olivacene, a new naturally occurring sesquiterpene hydrocarbon, β-monocyclonerolidol and (-)-spathulenol have been isolated from A. olivacea. The strong milky-like fragrance of C. imbricata is due to a mixture of (R)-dodec-2-en-1, 5-olide and (R)-tetradec-2-en-1,5-olide. Leptolejeunea elliptica produces an intensely fragrant odour which is due to a mixture of 1-ethyl-4-methoxy-, 1-ethyl-4-hydroxy- and 1-ethyl-4- acetoxybenene. There are no chemical affinities between the present three Lejeuneaceae species.
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