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Further phenols and polyacetylenes from the rhizomes of Atractylodes lancea and their anti-inflammatory activity.
From the rhizomes of Atractylodes lancea, 2-[(2'E)-3',7'-dimethyl-2',6'-octadienyl]-4-methoxy-6-methylphenol (1) was isolated as a new natural product. The compound showed strong inhibitory effects… Expand
5-Lipoxygenase and cyclooxygenase-1 inhibitory active compounds from Atractylodes lancea.
- M. Resch, A. Steigel, Z. Chen, R. Bauer
- Chemistry, Medicine
- Journal of natural products
- 28 February 1998
Lipophilic extracts of Atractylodes lancea rhizomes exhibited potent inhibitory activities in 5-lipoxygenase [IC50 (5-LOX) = 2.9 micrograms/mL (n-hexane extract)] and cyclooxygenase-1 [IC50 (COX-1) =… Expand
Combined Chemoenzymatic Synthesis of 2O-6-Deoxy-α-L- sorbofuranosyl-D-glucose.
Diacetoxy-substituted polyacetylenes from Atractylodes lancea
Abstract Six new polyacetylenes have been isolated from the rhizomes of Atractylodes lancea . Besides 1-(2-furyl)-(7 E )-nonene-3,5-diyne-1,2-diacetate, a new natural compound, two further vicinal… Expand
ORGANOSILICON COMPOUNDS. LXXVII. SYNTHESIS OF 3‐PHENYL‐5‐SILYLPYRIDAZINES BY REGIOSELECTIVE (4 + 2) CYCLOADDITIONS
Dipolar Cycloaddition Reactions with Heterocyclic Bicyclo[2.2.0]hexenes. – A Contribution to the syn – anti Selectivity of cis‐3,4‐Disubstituted Cyclobutenes
In order to examine the possible preference for anti or syn attack in bicyclic cyclobutenes, a series of heterocyclic bicyclo[2.2.0]hexenes, 3–8, has been subjected to the reaction towards… Expand
Separation of retinoic acid all-trans, mono-cis and poly-cis isomers by reversed-phase high-performance liquid chromatography
Abstract An HPLC method using a reversed-phase Suplex-pKb-100 column that resolves photoisomerates of retinoic acid into nine peaks of products and the initial all- trans isomer is described. This… Expand
Singlet Oxygen Quenching Abilities of Carotenoids
The bimolecular rate constants kq for quenching of singlet oxygen (1Δg state) by 26 different natural and novel synthetic carotenoids were determined at 37 °C in a mixture of chloroform and ethanol.… Expand
Biotinylated Stealth magnetoliposomes.
- M. Hodenius, M. de Cuyper, L. Desender, D. Mueller-Schulte, A. Steigel, H. Lueken
- Chemistry, Medicine
- Chemistry and physics of lipids
- 1 December 2002
Dimyristoylphosphatidylethanolamine (DC(14:0)PE) and the dioleoyl analogue (DC(18:1cis)PE) were mixed with alpha-biotinylamido-omega-N-succinimidoxycarbonyl-poly(ethylene glycol) (NHS-PEG-biotin) and… Expand