New caryophyllene derivatives from Betula litwinowii.
Four new caryophyllene derivatives-14-hydroxy-4, 5-dihydro-beta-caryophyllene (1), 14-acetoxy-4, 5-dihydro-beta-caryophyllene (2), 4, 5-dihydro-beta-caryophyllene-14-al (3), and caryophylla-8(14)-en-5-one (4)-are reported from the essential oil of Betula litwinowii. Compounds 1-4 were characterized by MS and 1D and 2D NMR analyses and chemical transformations. The antibacterial and antifungal activity of 1 is also reported.
Medicinal and Aromatic Plant and Drug Research Centre (TBAM), Anadolu University, 26470-Eskişehir, Turkey.
B
B
Demirci
K H
KH
Başer
F
F
Demirci
M T
MT
Hamann
D000890:Anti-Infective Agents / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D019684:Magnoliopsida / Q000737:chemistry*; D015394:Molecular Structure; D000081223:Polycyclic Sesquiterpenes; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D013057:Spectrum Analysis
D000890:Anti-Infective Agents; D000081223:Polycyclic Sesquiterpenes; D012717:Sesquiterpenes; C024714:caryophyllene