Phytochemistry p. 2805 - 2808 (1983)
Update date:2022-08-17
Topics:
Teresa, J. De Pascual
Urones, J. G.
Marcos, I. S.
Nunez, L.
Basabe, P.
Cativic, ladenic, labdanolic, 8α-hydroxy-13(E)-labden-15-oic and 3-phenylpropionic acids were isolated from Cistus palinhae.In addition two new acids were characterized as 8α-methoxy-labd-15-oic and (5R,8R,9R,10S)-2-oxo-3-cis-cleroden-15-oic.From the neutral fraction were isolated the known 8,15-labdanediol, 8(17)labden-15-ol, 6-oxo-7-labden-15-ol and 6β-hydroxy-8(17)-labden -15-ol and also identified were the hydroxy derivatives 8α-hydroxy- 15-phenylpropionoxy-labdane-8α-hydroxy-15-acetoxy-labdane, 8-labden-15-ol and 8-epi-15-labdanediol.The weak acid fraction gave jaranol (5,4'-dihydroxy-3,7-dimethoxyflavone), genkwanin (5,4'-dihyyroxy-7-methoxyflavone), 3-methylkampferol and (-)betuligenol.Key Word Index-Cistus palinhae; Cistaceae; diterpenes; flavonoids.
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