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Mizuho Taniguchi
Tokushima Bunri University
Organic chemistryChemistryAbsolute configurationLigulariaBotany
5Publications
2H-index
19Citations
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Publications 4
Newest
#1Yasuko Okamoto (Tokushima Bunri University)H-Index: 13
#2Mizuho Taniguchi (Tokushima Bunri University)H-Index: 2
Last. Motoo Tori (Tokushima Bunri University)H-Index: 31
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: The chemical constituents of Ligularia wilsoniana were studied for the first time, using four samples collected in Chongqing City, China. Two new compounds, 6β-(2',3'-epoxy-2'-methylpropanoyloxy)-β,10β-epoxyfuranoeremophilane and 11αH-6β-(2'-hydroxymethylacryloyloxy)-1β,10β;7β,8β- diepoxyeremophilanolide, as well as eight known compounds, were isolated from one of the samples, while three to four known furanoeremophilanes were isolated from the other three samples. No compound was common to th...
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#1Yasuko Okamoto (Tokushima Bunri University)H-Index: 13
#2Mizuho Taniguchi (Tokushima Bunri University)H-Index: 2
Last. Chiaki Kuroda (Rikkyo University)H-Index: 20
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: Root constituents of Ligularia longihastata were examined for the first time. Fourteen eremophilane sesquiterpenes, including two new eremophilanes identified as 3α-isobutyroyloxy-7βH-eremophila-9,11-dien-8-one and 3β-angeloyloxy-1β,10β-epoxyfuranoeremophilan-9-one, and three eudesmanes were isolated. From samples collected in Baiyu County, Sichuan Province, furanoeremophilane derivatives were isolated, while various eremophilan-8-ones were isolated from samples collected in Kangding County, S...
1 CitationsSource
#1Mizuho Taniguchi (Tokushima Bunri University)H-Index: 2
#2Katsuyuki Nakashima (Tokushima Bunri University)H-Index: 16
Last. Motoo Tori (Tokushima Bunri University)H-Index: 31
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Chemical study of four samples of Ligularia brassicoides collected in Sichuan Province of China afforded 18 compounds, five of which were new. LC-MS profiles were somehow similar to each other, although the compound ratio was slightly different. One of the new compound was a Diels-Alder adduct between franoeremophilan-10 beta-ol and methacrylic acid.
1 CitationsSource
#1Yoshinori Saito (Tokushima Bunri University)H-Index: 12
#2Mizuho Taniguchi (Tokushima Bunri University)H-Index: 2
Last. Motoo Tori (Tokushima Bunri University)H-Index: 31
view all 8 authors...
Four new compounds, rearranged noreremophilan-8,6-olide, rearranged dinoreremophilanone, epoxy gamma-lactone, and 2 alpha-hydroxyermophil-11-en-9-one, along with eremophilenolides related to ligularol and other known terpenoids, were isolated from Ligularia virgaurea (ligularol type) collected from the northern Sichuan Province of China. Three of the new compounds had degraded and unique structures. The absolute configuration of 2 alpha-hydroxyermophil-11-en-9-one was determined on the basis of ...
15 CitationsSource
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