Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Albertus van Veldhuizen"'
Autor:
A. Dapkevicius, Rimantas Venskutonis, G.P. Lelyveld, Aede de Groot, Albertus van Veldhuizen, Teris A. van Beek, Jozef P H Linssen
Publikováno v:
Journal of Natural Products, 65(6), 892-896
Journal of Natural Products 65 (2002) 6
Journal of Natural Products 65 (2002) 6
2,2-Diphenyl-1-picrylhydrazyl radical (DPPH•) scavenging activity-guided fractionation of a leaf extract of Thymus vulgaris led to the isolation of the radical scavengers rosmarinic acid 1, eriodictyol, taxifolin, luteolin 7-glucuronide, p-cymene 2
Autor:
Anton Blaakmeer, André Stork, Albertus van Veldhuizen, Teris A. van Beek, Aede de Groot, Joop J. A. van Loon, Louis M. Schoonhoven
Publikováno v:
Journal of Natural Products. 57:90-99
The large white butterfly, Pieris brassicae L., a herbivorous pest of crucifers, produces egg-associated chemical markers that inhibit its oviposition. The identification of the marker compounds is reported herein. Separation by means of reversed-pha
Autor:
Peter P. Lankhorst, G.P. Lelyveld, Albertus van Veldhuizen, Isabelle Piron, Teris A. van Beek
Publikováno v:
Phytochemical Analysis, 4, 261-268
Phytochemical Analysis 4 (1993)
Phytochemical Analysis 4 (1993)
A quantitative 1H NMR procedure for the determination of bilobalide and ginkgolides A, B, C and J in Ginkgo biloba leaves and in phytopharmaceuticals without prior chromatographic separation of the mixture has been developed. The method is based on t
Autor:
Jim A. Field, Juliet C. Frankland, Albertus van Veldhuizen, Joannes B.P.A. Wijnberg, Henk J. Swarts
Publikováno v:
ChemInform. 30
Two novel monochlorinated 2,3-dihydro-1-benzoxepin derivatives were isolated from the ethyl acetate extracts of the stipes of Mycena galopus. The structures were established on the basis of their spectral data.
Publikováno v:
Journal of Natural Products 65 (2002) 4
Journal of Natural Products, 65(4), 558-561
Journal of Natural Products, 65(4), 558-561
The naturally occurring pterulones 1, 3, and 13 were synthesized in high overall yield from readily available methyl 3-(2-propenyl)-4-(2-propenyloxy)benzoate (6) by employing ring-closing metathesis (RCM) as a key step. The biological activities of t
Autor:
Aede de Groot, Audrius Pukalskas, Rimantas Venskutonis, and Albertus van Veldhuizen, Teris A. van Beek, Jozef P. H. Linssen
Publikováno v:
Journal of Agricultural and Food Chemistry 50 (2002) 10
Journal of Agricultural and Food Chemistry, 50(10), 2914-2919
Journal of Agricultural and Food Chemistry, 50(10), 2914-2919
Extracts from aerial parts of sweet grass (Hierochloe odorata) were active DPPH free radical scavengers. The active compounds were detected in extract fractions using HPLC with on-line radical scavenging detection. After multistep fractionation of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b789f6cacb9dfa5ae14c9690700c7c89
https://research.wur.nl/en/publications/identification-of-radical-scavengers-in-sweet-grass-hierochloe-od
https://research.wur.nl/en/publications/identification-of-radical-scavengers-in-sweet-grass-hierochloe-od
Autor:
Albertus van Veldhuizen, Henk J. Swarts, Jim A. Field, Joannes B.P.A. Wijnberg, Juliet C. Frankland
Publikováno v:
Tetrahedron Letters, 40, 5767-5770
Tetrahedron Letters 40 (1999)
Tetrahedron Letters 40 (1999)
Two novel monochlorinated 2,3-dihydro-1-benzoxepin derivatives were isolated from the ethyl acetate extracts of the stipes of Mycena galopus. The structures were established on the basis of their spectral data.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5682cf2c429d5bc9c8fab89d0316c120
https://research.wur.nl/en/publications/novel-monochlorinated-metabolites-with-a-1-benzoxepin-skeleton-fr
https://research.wur.nl/en/publications/novel-monochlorinated-metabolites-with-a-1-benzoxepin-skeleton-fr
Publikováno v:
Tetrahedron. 44:2663-2674
New reagents for the stereoselective synthesis of 2-substituted perhydrofuro[2,3b]furanas are described. Ia the successful approach towards the latter compounds, the key steps were the addition of a aonolithio-2α-methoxy-3β-[(phenylsulfonyl)-methyi
Publikováno v:
Phytochemistry. 28:1909-1911
The essential oil composition of Amyris balsamifera was investigated by GC-MS. Major constituents were separated by fractional distillation and various chromatographic techniques, and identified by mass, 1 H and 13 C NMR spectroscopy and/or chemical