Cadinane sesquiterpenes from Curcuma parviflora.
Two new cadinane sesquiterpenes (1 and 2) were isolated from Curcuma parviflora, and their structures were elucidated by spectroscopic data. Compound 1, 4alpha-acetoxycadina-2,9-diene-1,8-dione, possesses two conjugated enone chromophores, while compound 2, 1alpha,3alpha,4beta-trihydroxy-9-cadinen-8-one, has an enone moiety with three hydroxy groups. Isolation of these cadinane monomers may reasonably suggest that parviflorenes are biogenetically classified as cadinane dimers.
Sadhu
Samir Kumar
SK
Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan.
Tamaki
Mayu
M
Ohtsuki
Takashi
T
Toume
Kazufumi
K
Koyano
Takashi
T
Kowithayakorn
Thaworn
T
Ishibashi
Masami
M
D030024:Curcuma / Q000737:chemistry*; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D000081223:Polycyclic Sesquiterpenes; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification*; D013785:Thailand
C540702:1alpha,3alpha,4beta-trihydroxy-9-cadinen-8-one; C540703:4alpha-acetoxycadina-2,9-diene-1,8-dione; D000081223:Polycyclic Sesquiterpenes; D012717:Sesquiterpenes; C508039:cadinane