Journal ArticleDOI
Four phenolic neolignans from Magnolia liliflora
Toshiyuki Iida,Kazuo Ito +1 more
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TLDR
A chloroform extract of fresh leaves of Magnolia liliflora contained the four new phenolic neolignans, liliflodione [a bicyclo(3,2,1) octanoid], liliflol A and B (dihydrobenzofuranoids) and liliflanone (a hexahydron-hexahedronoid) as mentioned in this paper.About:
This article is published in Phytochemistry.The article was published on 1983-01-01. It has received 32 citations till now.read more
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Illicaborins A-C, three prenylated C6-C3 compounds from the fruits of Illicium arborescens.
Ya Xu Lin,Ahmed E. Fazary,Shun Ying Chen,Ching Te Chien,Yao-Haur Kuo,Shiow Yunn Sheu,Ya-Ching Shen +6 more
TL;DR: In this article, three new prenylated C 6 -C 3 compounds, illicaborins A-C ( 1 − 3 ), were isolated and characterised from the fruits of Illicium arborescens Hayata.
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Bicyclooctanoid, carinatone and megaphone type neolignans from Ocotea porosa
Mário Geraldo de Carvalho,Massayoshi Yoshida,Otto R. Gottlieb,Hugo E. Gottlieb,Hugo E. Gottlieb +4 more
TL;DR: In this article, four new neolignans were isolated from the wood of Ocotea porosa and two isomers, belonging to the bicyclo[3.1] octanoid 7.3′, 8.1′-type, differed most conspicuously by the endo -or exo -relationship of their aryl/methoxyenone units.
Journal ArticleDOI
Chemical constituents from the leaves of Magnolia denudata.
TL;DR: 20 compounds were isolated from the leaves of Magnolia denudata including 16 lignans, which belong to 6 structural types, and compounds 1, 2 and 16 were assessed and 2 was shown to have significant inhibition effect on mice hind-paw edema induced by carrageenan.
Journal ArticleDOI
Anti-cancer potential of (1,2-dihydronaphtho[2,1-b]furan-2-yl)methanone derivatives.
Kobirul Islam,Kunal Pal,Utsab Debnath,R. Sidick Basha,Abu T. Khan,Kuladip Jana,Anup Kumar Misra +6 more
TL;DR: Among 21 synthesized compounds, three compounds showed promising anti-cancer potential and compound 3b was found to have best anti-proliferative activities based on the results of several biochemical and microscopic experiments.
Journal ArticleDOI
Influence of skeletal alteration of lignoids on carbon-13 NMR chemical shifts†‡§
TL;DR: In this article, the characteristic 13C NMR chemical shift ranges were used as a guide for the establishment of the parent skeletons of various categories and subcategories of lignoids (lignans, neolignants and oxyneolignans) and for the determination of the substitution pattern of the side-chain are tabulated.
References
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Obovatol and Obovatal, Novel Biphenyl Ether Lignans from the Leaves of Magnolia obovata THUNB.
TL;DR: Two new biphenyl ether lignans were isolated from the leaves of Magnolia obovata THUNB and showed antibacterial activity against a cariogenic bacterium, Streptococcus mutans, but was less active than magnolol (5) and honokiol (6).
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Hydroperoxysesquiterpene and lignan constituents of Magnolia kobus
TL;DR: Two new hydroperoxysesquiterpenes, k Kobusimin A and B, have been isolated from the leaves of Magnolia kobus.
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Neolignans from Magnolia denudata
TL;DR: New neolignans, denudatin A and B (hydrobenzofuranoids) and denudatone [spiro(5,5)undecanoid], together with three known NELLANS including burchelli are described in this paper.
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Neolignans from Nectandra miranda
Cacilda J. Aiba,Cacilda J. Aiba,Otto R. Gottlieb,Otto R. Gottlieb,Frida M. Pagliosa,Massayoshi Yoshida,Massayoshi Yoshida,Mauro Taveira Magalhães +7 more
TL;DR: In this paper, seven neolignans, isolated from a C 6 H 6 extract of Nectandra miranda (Lauraceae) trunk wood, included the hitherto undescribed (2 S, 3 S, 3a S )- and (2 R, 3 R )-7-methoxy-2-(3′, 4′, 5′-trimethoxyphenyl)-3-methylbenzofuran (licarin C).
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(−)-Maglifloenone, a novel spirocyclohexadienone neolignan and other constituents from Magnolia liliflora
TL;DR: This is the first report of two neolignans of spirocyclohexadienone skeleton and of taspine from the Magnoliaceae family and the second report of the natural occurrence of futoenone.