Pulvinic acid

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Pulvinic acid

IUPAC name (2E)-(5-Hydroxy-3-oxo-4-phenyl-2(3H)-furanylidene)(phenyl)acetic acid
Identifiers
	PubChem	3035166
ChemSpider	2299472
Jmol-3D images	Image 1
SMILES O=C(O)C(=C2/OC(/O)=C(/c1ccccc1)C2=O)/c3ccccc3
InChI InChI=1S/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ Key: WFZQEWXZFDGFEP-JQIJEIRASA-N InChI=1/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ Key: WFZQEWXZFDGFEP-JQIJEIRABX
Properties
Molecular formula	C₁₈H₁₂O₅
Molar mass	308.28 g mol⁻¹
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Pulvinic acid is a natural chemical pigment found in some lichens.^[1]

References

↑ Bourdreux, Yann; Bodio, Ewen; Willis, Catherine; Billaud, Célia; Le Gall, Thierry; Mioskowski, Charles (2008). "Synthesis of vulpinic and pulvinic acids from tetronic acid". Tetrahedron 64 (37): 8930. doi:10.1016/j.tet.2008.06.058.

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