Valoneic acid
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Other names Valoneaic acid | |
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Properties | |
Chemical formula | C21H14O13; C21H14O15 |
Molar mass | 474.32 g/mol, 506.32 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references |
Chemical compound
Valoneic acid is a hydrolysable tannin. It is a component of some hydrolysable tannins such as mallojaponin.
The difference with its isomer sanguisorbic acid is that the hydroxyl that links the hexahydroxydiphenoyl (HHDP) group to the galloyl group belongs to the HHDP group.
It can be chemically synthesized.[1]
See also
- Sanguisorbic acid
- Valonea (Quercus macrolepis)
- Valoneic acid dilactone
References
- ^ Enantioselective synthesis of valoneic acid derivative. Hitoshi Abe, Yusuke Sahara, Yuki Matsuzaki, Yasuo Takeuchi and Takashi Harayama, Tetrahedron Letters, Volume 49, Issue 4, 21 January 2008, pp. 605-609, doi:10.1016/j.tetlet.2007.11.154
External links
- Plant polyphenols: vegetable tannins revisited, page 136 by Edwin Haslam
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Types of ellagitannins
- Diphenolic acid : Hexahydroxydiphenic acid (HHDP)
- Triphenolic acids : Nonahydroxytriphenic acid
- Sanguisorbic acid
- Valoneic acid
- Tetraphenolic acids : Isoterchebulic acid
- Terchebulinic acid
- Ellagic acid
- Gallagic acid
- Gallagic acid dilactone
- Luteic acid
- Sanguisorbic acid dilactone
- Valoneic acid dilactone
- Acetonyl geraniin
- Alnusiin
- Bicornin
- Carlesiin
- Casuarictin
- Emblicanin A and B
- Euscaphinin
- Galloyl pedunculagin
- Grandinin
- Helioscopinin B
- Jolkinin
- Lagerstannin A, B and C
- Macranganin
- Myrobalanitannin
- Nupharin A, B, C, D, E and F
- Pedunculagin
- Punicalagin
- Punigluconin
- Phyllanemblinin A, B, C, D, E and F
- Punicalin
- Roburin E
- Rugosin E
- Sanguiin H-5
- Stenophyllanin A, B and C
- Strictinin
- Tellimagrandin I and II
- Teracatain
- Terchebulin
- Terflavin A and B
- Tergallic acid
- Tergallic acid dilactone
C-glycosidic ellagitannins |
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Dehydroellagitannins (molecules with dehydrohexahydroxydiphenic acid (DHHDP) |
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Transformed ellagitannins |
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- Dimers
- Agrimoniin
- Cornusiin E (dimer of tellimagrandin II)
- Lambertianin A and B
- Nobotanin B
- Roburin A, B, C and D
- Sanguiin H-6
- Trimers
- Lambertianin C
- Raspberry ellagitannin
- Tetramers
- Lambertianin D
- Nobotanin S
- Pentamer
- Melastoflorin A
- Flavono-ellagitannins (hybrid type)
- Urolithins (metabolites)
- Pomegranate ellagitannins
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