Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Helga Marschall"'
Publikováno v:
Liebigs Annalen. 1996:799-807
rac-Presilphiperfolan-9-ol (2) and three of its epimers (24, 29, 30) were synthesized by starting from the known 8-hydroxy-3,3,5-trimethylbicyclo[3.3.0]octan-2-one (10). The spectroscopic data of rac-2 are identical with those of the natural (-)-pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6f1e51d5e19ae07980e6c7a09a12b1c
https://doi.org/10.1002/jlac.199619960526
https://doi.org/10.1002/jlac.199619960526
Publikováno v:
Liebigs Annalen. 1996:1195-1199
The four new sesquiterpene ethers 7β,10β-epoxy-4βH-eremophila-1,11(12)-diene (4), 10β,11-epoxy-4βH-eremophil-1-ene (5), 4α,7-epoxy-10βH-spirovetiva-2,11(12)-diene (6) and 6α,12-epoxy-7βH,10βH-spiroax-4-ene (8) were isolated from the unpolar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8bcc126b612cc6f337fb5e844b6a6ee
https://doi.org/10.1002/jlac.199619960720
https://doi.org/10.1002/jlac.199619960720
Publikováno v:
Flavour and Fragrance Journal. 16:50-60
The acidic part of Brazilian lantana oil contains mainly new bisabolene and tricyclic helifolene derivatives. 3-Formyl-helifolen-12-oic acids 14, 16, 11-formyl-helifolen-15-oic acids 10, 12, 6,10-epoxybisabol-2- 18, 20, 22, 24, and -3-en-12-oic acids
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::456d3c8299f2d2406fea1fb921936030
https://doi.org/10.1002/1099-1026(200101/02)16:1<50::aid-ffj945>3.0.co
https://doi.org/10.1002/1099-1026(200101/02)16:1<50::aid-ffj945>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 16:19-26
The hydrodistilled essential oil of aerial parts of S. gigantea was investigated by GC, GC–MS and NMR spectroscopy. Two samples (1990/91, Warsaw, and 1998, Łodź) yielding 0.55% and 70% of essential oil, were analysed in 1992 and 1998. Ninety cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c96a28d271f3c2ae631ad82f9b62cc7
https://doi.org/10.1002/1099-1026(200101/02)16:1<19::aid-ffj940>3.0.co
https://doi.org/10.1002/1099-1026(200101/02)16:1<19::aid-ffj940>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 15:61-83
A medium polar part of commercial Haitian vetiver oil was investigated, particularly with regard to carbonyl compounds. The following new natural compounds were characterized by their NMR data: 1,7-cyclogermacra-1(10),4-dien-15-al (1); 10-epi-acor-3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::431bf8cea4ceea4fbdd1a69dfddf3384
https://doi.org/10.1002/(sici)1099-1026(200003/04)15:2<61::aid-ffj865>3.0.co
https://doi.org/10.1002/(sici)1099-1026(200003/04)15:2<61::aid-ffj865>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 15:395-412
155 constituents in the neutral part of commercial Haitian vetiver oil were identified. Their structures were assigned mainly by 1H- and 13C-NMR spectra, as reported previously. Furthermore, the following new compounds are described: acora-2,4-diene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d50a56c9893a9b06cca3a50ac058ff5e
https://doi.org/10.1002/1099-1026(200011/12)15:6<395::aid-ffj930>3.0.co
https://doi.org/10.1002/1099-1026(200011/12)15:6<395::aid-ffj930>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 15:153-173
The polar part of commercial Haitian vetiver oil was converted to the methyl ethers, and this product separated by distillation and repeated flash chromatography (FC). The following new (nor-) sesquiterpene alcohols were isolated as their methyl ethe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a810ba0c9192ecc36a62918689a039e3
https://doi.org/10.1002/1099-1026(200005/06)15:3<153::aid-ffj885>3.0.co
https://doi.org/10.1002/1099-1026(200005/06)15:3<153::aid-ffj885>3.0.co
Autor:
Helga Marschall, Peter Weyerstahl, Phan Minh Giang, Phan Tong Son, Vijay K. Kaul, Ute Splittgerber
Publikováno v:
Flavour and Fragrance Journal. 14:225-229
The essential oil from the fruits of Zanthoxylum rhetsoides Drake (syn. Z. myriacanthum Wall. ex Hook. f.) of north-west Vietnamese origin consists of 78% of monoterpene hydrocarbons, 19% of oxygenated monoterpenes, 1% of n-alcohols and only 1% of se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2695d268a97042138ff2ffc6ba064ac0
https://doi.org/10.1002/(sici)1099-1026(199907/08)14:4<225::aid-ffj818>3.0.co
https://doi.org/10.1002/(sici)1099-1026(199907/08)14:4<225::aid-ffj818>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 14:219-224
The very pleasant (flowery, hay- and tea-like, woody) smelling essential oil of the flowers of Aglaia odorata Lour. (Meliaceae) consists mainly of cadinane derivatives (ca. 48%, including 27% of δ-cadinene, 24). A main constituent is muurola-4,10(14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1d5288e4d8209404d94cd9a955a6cc7
https://doi.org/10.1002/(sici)1099-1026(199907/08)14:4<219::aid-ffj815>3.0.co
https://doi.org/10.1002/(sici)1099-1026(199907/08)14:4<219::aid-ffj815>3.0.co
Publikováno v:
Flavour and Fragrance Journal. 14:112-120
The essential oil of Tanacetum (syn. Chrysanthemum) fruticulosum Ledeb. from Iran was investigated by GC, GC–MS and NMR spectroscopy. The oil is characterized by photo-oxidation products of lavandulol and nerolidol. Ninety-seven components, represe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::050ddd1e47e0dccd3790682372095f9d
https://doi.org/10.1002/(sici)1099-1026(199903/04)14:2<112::aid-ffj786>3.0.co
https://doi.org/10.1002/(sici)1099-1026(199903/04)14:2<112::aid-ffj786>3.0.co