Trichotomine

Trichotomine is a bright blue pigment found in the berries of the plant Clerodendrum trichotomum, which is native to China and Japan. It has a novel chromophore structure which differs from previously studied plant pigments. The amount of pigment in the berries increases as they become ripe.

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Within Vinony's link graph, Trichotomine is referenced by 3 other articles, and connects out to digital object identifier, chemical formula and International Standard Serial Number.

Vinony files it under Biological pigments, Chembox image size set and Chemical articles with multiple CAS registry numbers.

Its subject is documented across 6 Wikipedia language editions.

Chemical data

Formula: C30H20N4O6
Molecular weight: 532.5 g/mol
IUPAC name: (2E,5S)-2-[(5S)-5-carboxy-3-oxo-6,11-dihydro-5H-indolizino[8,7-b]indol-2-ylidene]-3-oxo-6,11-dihydro-5H-indolizino[8,7-b]indole-5-carboxylic acid
SMILES: C1[C@H](N2C(=C/C(=C\3/C=C4C5=C(C[C@H](N4C3=O)C(=O)O)C6=CC=CC=C6N5)/C2=O)C7=C1C8=CC=CC=C8N7)C(=O)O
InChIKey: LOHPAPKRMNSIDN-GKIAHDCUSA-N
XLogP: 2.6
Polar surface area: 147 Å²
H-bond donors: 4
H-bond acceptors: 6
Formal charge: 0

via PubChem

Wikidata facts

Mass: 532.138284

Show 4 more facts

chemical formula: C₃₀H₂₀N₄O₆
isomeric SMILES: C1[C@H](N2C(=C/C(=C\3/C=C4C5=C(C[C@H](N4C3=O)C(=O)O)C6=CC=CC=C6N5)/C2=O)C7=C1C8=CC=CC=C8N7)C(=O)O
canonical SMILES: C1C(N2C(=CC(=C3C=C4C5=C(CC(N4C3=O)C(=O)O)C6=CC=CC=C6N5)C2=O)C7=C1C8=CC=CC=C8N7)C(=O)O
found in taxon: Clerodendrum trichotomum

Sources (2)

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Encyclopedic overview

3 sections

Contents

History and usage
See also
References

== History and usage == The berries of C. trichotomum have historically been used in natural dyes. In 1978, a team of researchers at Nagoya University proposed that trichotomine was the pigment responsible for the color. This was confirmed in 1992.

Excerpted from Wikipedia’s “Trichotomine” article, available under the CC BY-SA 4.0 licence.