(Q104397310)

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Cytotoxic Quassinoids and Tirucallane-Type Triterpenes from the Woods of Eurycoma longifolia.

article by Hideji ITOKAWA et al published 7 December 2011 in Chemical & Pharmaceutical Bulletin

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Cytotoxic Quassinoids and Tirucallane-Type Triterpenes from the Woods of Eurycoma longifolia. (English)

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(1S,3aS,5aR,7S,9aR,9bR,11aS)-1-[(2S,4R)-4-[(2S)-3,3-dimethyloxiran-2-yl]-4-hydroxybutan-2-yl]-3a,6,6,9a,11a-pentamethyl-1H,2H,3H,5H,5aH,7H,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthren-7-ol

1 reference

inferred from

reverse claim

(3S,5R,9S,10R,13S,14S,17S)-17-[(2S,4R)-4-[(2S)-3,3-dimethyloxiran-2-yl]-4-hydroxybutan-2-yl]-4,4,10,13,14-pentamethyl-2,3,5,6,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol

1 reference

1 reference

6alpha-Hydroxyeurycomalactone

1 reference

inferred from

reverse claim

(5S,9R,10R,13S,14S,17S)-4,4,10,13,14-pentamethyl-17-[(2S,4R,5S)-4,5,6-trihydroxy-6-methylheptan-2-yl]-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

inferred from

reverse claim

(1R,2S,3S,7S,8R,9S,12S,13R,14R,15R,16R)-3,8,14,15-tetrahydroxy-2,6,13,16-tetramethyl-10-oxatetracyclo[7.6.1.02,7.012,16]hexadec-5-ene-4,11-dione

1 reference

inferred from

reverse claim

(1S,3aS,5aR,9aR,9bR,11aS)-1-[(3S,5R,6S)-5,6-dihydroxy-7,7-dimethyloxepan-3-yl]-3a,6,6,9a,11a-pentamethyl-1H,2H,3H,5H,5aH,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthren-7-one

1 reference

1 reference

(5R,9R,10R,13S,14S,17S)-17-[(2R,3S,5R)-5-[(2S)-3,3-dimethyloxiran-2-yl]-2-hydroxyoxolan-3-yl]-4,4,10,13,14-pentamethyl-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

inferred from

reverse claim

14,15beta-Dihydroxyklaineanone

1 reference

inferred from

reverse claim

(5S,9R,10R,13S,14S,17S)-17-[(3S,5R,6S)-5,6-dihydroxy-7,7-dimethyloxepan-3-yl]-4,4,10,13,14-pentamethyl-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

inferred from

reverse claim

7,7a-Dehydroeurycomalactone

1 reference

inferred from

reverse claim

(5S,9R,10R,13S,14S,17S)-17-[(2S,3S,5R)-5-[(2S)-3,3-dimethyloxiran-2-yl]-2-hydroxyoxolan-3-yl]-4,4,10,13,14-pentamethyl-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

inferred from

reverse claim

(1S,3aS,5aR,9aR,9bR,11aS)-3a,6,6,9a,11a-pentamethyl-1-[(2S,4R,5S)-4,5,6-trihydroxy-6-methylheptan-2-yl]-1H,2H,3H,5H,5aH,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthren-7-one

1 reference

inferred from

reverse claim

(1R,2S,3S,7S,9R,13S,14R,15R,17S)-3,15-dihydroxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.02,7.013,17]heptadec-5-ene-4,11,16-trione

1 reference

inferred from

reverse claim

(5S,9R,10R,13S,14S,17S)-17-[(2S,4R)-4-[(2S)-3,3-dimethyloxiran-2-yl]-4-hydroxybutan-2-yl]-4,4,10,13,14-pentamethyl-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

inferred from

reverse claim

(1S,3aS,5aR,9aR,9bR,11aS)-1-[(3S,5R,6S)-5-hydroxy-6-(2-hydroxypropan-2-yl)oxan-3-yl]-3a,6,6,9a,11a-pentamethyl-1H,2H,3H,5H,5aH,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthren-7-one

1 reference

inferred from

reverse claim

(5R,9R,10R,13S,14S,17S)-17-[(3S,5R,6R)-5-hydroxy-6-(2-hydroxypropan-2-yl)oxan-3-yl]-4,4,10,13,14-pentamethyl-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

1 reference

Hideji ITOKAWA

1

1 reference

reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

Etsuko KISHI

series ordinal

2

1 reference

reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

Hiroshi MORITA

series ordinal

3

1 reference

reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

Koichi TAKEYA

series ordinal

4

1 reference

reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

publication date

1992

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stated in

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retrieved

16 September 2022

full work available at URL

https://www.jstage.jst.go.jp/article/cpb1958/40/4/40_4_1053/_pdf

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19 March 2024

https://api.unpaywall.org/v2/10.1248/cpb.40.1053?email=unpaywall_01@example.com

published in

Chemical & Pharmaceutical Bulletin

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reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

volume

40

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reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

page(s)

1053-1055

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reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

issue

4

1 reference

reference URL

http://api.crossref.org/works/10.1248%2Fcpb.40.1053

1 reference

19 March 2024

https://api.unpaywall.org/v2/10.1248/cpb.40.1053?email=unpaywall_01@example.com

access restriction status

open access

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Identifiers

DOI

10.1248/CPB.40.1053

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(Q104397310)

Cytotoxic Quassinoids and Tirucallane-Type Triterpenes from the Woods of Eurycoma longifolia.

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