Melacacidin

Melacacidin
Names
IUPAC name
(2R,3R,4R)-Flavan-3,3′,4,4′,7,8-hexol
Systematic IUPAC name
(2R,3R,4R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,4,7,8-tetrol
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C15H14O7/c16-8-3-1-6(5-10(8)18)14-13(21)11(19)7-2-4-9(17)12(20)15(7)22-14/h1-5,11,13-14,16-21H/t11-,13-,14-/m1/s1 ☒N
    Key: JEUXGAUBSWADEA-MRVWCRGKSA-N ☒N
  • InChI=1/C15H14O7/c16-8-3-1-6(5-10(8)18)14-13(21)11(19)7-2-4-9(17)12(20)15(7)22-14/h1-5,11,13-14,16-21H/t11-,13-,14-/m1/s1
    Key: JEUXGAUBSWADEA-MRVWCRGKBR
  • Oc1ccc(cc1O)[C@H]3Oc2c(O)c(O)ccc2[C@@H](O)[C@H]3O
Properties
C15H14O7
Molar mass 306.26 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Melacacidin is a chemical compound related to leucoanthocyanidins. It can be found in Acacia crassicarpa.[1]

Melacacidin is a compound that can provoke contact allergy to Australian blackwood Acacia melanoxylon.[2]


  1. ^ Bioactive phenolic substances in important tree species. Part 3: Knots and stemwood of Acacia crassicarpa and A. mangium, Suvi P. Pietarinen, Stefan M. Willför, Rainer E. Sjöholm, Bjarne R. Holmbom, 2005 Archived 2009-08-05 at the Wayback Machine
  2. ^ Contact allergy to Australian blackwood (Acacia melanoxylon R.Br.): isolation and identification of new hydroxyflavan sensitizers B. M. Hausen, G. Bruhn, D. A. Tilsley, 2006