Results 171 to 180 of about 3,753 (208)
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New acyclic sesquiterpenoid derivatives and a monoterpene disaccharide from Dichondra repens Forst.
Phytochemistry Letters, 2015Abstract A new highly oxygenated acyclic sesquiterpenoid (2E, 6E)-8,10,11-trihydroxyl-7,11-dimethyl-3-hydroxymethyl-2,6-dodecadienoic acid (1) and its glucoside (2), together with a new pinane monoterpene disaccharide glucoside 6,6-dimethyl-2-methlenebicyclo [3.1.1]hept-3-O-(6-O-apiofuranosyl)-β- d -glucopyranoside (3) were isolated from hydrophilic ...
Wen-qiong Wang, Li-jiang Xuan
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Phytochemistry, 1991
Abstract NADP-linked acyclic monoterpene primary alcohol dehydrogenase from Rauwolfia serpentina cultured cells was found to catalyse the transfer of the pro-R hydrogen at C-4 of NADPH to neral, 10-oxogeraniol and 10-hydroxygeranial; intermediates for the biosynthesis of iridoids and non-tryptamine moieties of indole alkaloids.
Hiromitsu Ikeda +6 more
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Abstract NADP-linked acyclic monoterpene primary alcohol dehydrogenase from Rauwolfia serpentina cultured cells was found to catalyse the transfer of the pro-R hydrogen at C-4 of NADPH to neral, 10-oxogeraniol and 10-hydroxygeranial; intermediates for the biosynthesis of iridoids and non-tryptamine moieties of indole alkaloids.
Hiromitsu Ikeda +6 more
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Linarionosides A–C and acyclic monoterpene diglucosides from Linaria japonica
Phytochemistry, 1994Abstract On further investigation of a methanol extract of Linaria japonica , five new compounds were isolated. Three of them were ionol glucosides, named linarionosides A–C, and the structures of the remaining compounds were elucidated to be 6,7-dihydrofoliamenthoic acid diglucoside [( E )-( R )-2,6-dimethyl-8-hydroxyoct-2-enoic acid β- d ...
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Archives of Pharmacal Research, 2001
In a course of obtaining more amount of bioactive costunolide and successive phytochemical isolation from Magnolia sieboldii (Magnoliaceae), a novel acyclic monoterpene 1 named deoxygeraniol [2,6(E)-dimethyl-2,6-octadiene] was isolated along with beta-sitosterol 3-O-linoleate (2), trilinolein (3) and high amount of costunolide (4) in the pure state ...
H J, Park +6 more
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In a course of obtaining more amount of bioactive costunolide and successive phytochemical isolation from Magnolia sieboldii (Magnoliaceae), a novel acyclic monoterpene 1 named deoxygeraniol [2,6(E)-dimethyl-2,6-octadiene] was isolated along with beta-sitosterol 3-O-linoleate (2), trilinolein (3) and high amount of costunolide (4) in the pure state ...
H J, Park +6 more
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Chemosphere, 2014
Twenty acyclic monoterpenes with different functional groups (acetoxy, hydroxyl, carbonyl and carboxyl) bearing a variable number of carbon double bonds were assayed as repellent and larvicidal agents against the West Nile vector Culex pipiens. Seven of them were derivatives that were synthesized through either hydrogenation or oxidation procedures ...
Antonios, Michaelakis +7 more
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Twenty acyclic monoterpenes with different functional groups (acetoxy, hydroxyl, carbonyl and carboxyl) bearing a variable number of carbon double bonds were assayed as repellent and larvicidal agents against the West Nile vector Culex pipiens. Seven of them were derivatives that were synthesized through either hydrogenation or oxidation procedures ...
Antonios, Michaelakis +7 more
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Tetrahedron, 1984
Abstract Highly site- and regioselective terminal functionalizations of acyclic monoterpenes 1 via benzenesulfenyl chloride addition followed by hydrolysis assisted by silica gel, dehydrochlorination under neutral or weakly basic condition, or dehydrochlorination by strongly basic treatment respectively providing β-hydroxy sulfides 3, terminal ...
Yukio Masaki +2 more
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Abstract Highly site- and regioselective terminal functionalizations of acyclic monoterpenes 1 via benzenesulfenyl chloride addition followed by hydrolysis assisted by silica gel, dehydrochlorination under neutral or weakly basic condition, or dehydrochlorination by strongly basic treatment respectively providing β-hydroxy sulfides 3, terminal ...
Yukio Masaki +2 more
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Applied Spectroscopy, 1969
Laser-Raman spectra of 12 acyclic terpenoids has been recorded. Assignments were made for stretching mode vibrations of carbon-carbon double bonds by comparison with infrared spectra. The results of intensity and depolarization studies are discussed.
Stanley K. Freeman, Dana W. Mayo
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Laser-Raman spectra of 12 acyclic terpenoids has been recorded. Assignments were made for stretching mode vibrations of carbon-carbon double bonds by comparison with infrared spectra. The results of intensity and depolarization studies are discussed.
Stanley K. Freeman, Dana W. Mayo
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Archives of Phytopathology and Plant Protection, 2019
AbstractCitral and geraniol are dominating constituents of lemon and rose scented essential oils of Cymbopogon spp.
Gurminder Kaur +3 more
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AbstractCitral and geraniol are dominating constituents of lemon and rose scented essential oils of Cymbopogon spp.
Gurminder Kaur +3 more
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Two acyclic monoterpene diols from Cinnamomum camphorha
Phytochemistry, 1976Daisuke Takaoka, Mitsuru Hiroi
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