Riccardin C

Riccardin C is a macrocyclic bis(bibenzyl). It is a secondary metabolite isolated from the Siberian cowslip subspecies Primula veris subsp. macrocalyx,^[2][3] in Reboulia hemisphaerica^[4] and in the Chinese liverwort Plagiochasma intermedium.^[5]

Riccardin C

Riccardin C, flat molecule representation
Names
IUPAC name 14-oxapentacyclo[20.2.2.210,13.115,19.02,7]nonacosa-1(24),2(7),3,5,10(29),11,13(28),15,17,19(27),22,25-dodecaene-5,16,24-triol
Identifiers
CAS Number	84575-08-6 N[1]
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL411317
ChemSpider	8246532
PubChem CID	10070992
CompTox Dashboard (EPA)	DTXSID101030291
InChI InChI=1S/C28H24O4/c29-22-9-13-24-21(17-22)8-3-18-4-10-23(11-5-18)32-28-16-20(7-14-26(28)30)2-1-19-6-12-25(24)27(31)15-19/h4-7,9-17,29-31H,1-3,8H2 Key: JMKSVONWZFVEAI-UHFFFAOYSA-N
SMILES C1CC2=C(C=CC(=C2)O)C3=C(C=C(CCC4=CC(=C(C=C4)O)OC5=CC=C1C=C5)C=C3)O
Properties
Chemical formula	C28H24O4
Molar mass	424.49 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

In 2005, the compound was prepared by total synthesis together with the strained compound cavicularin.^[6][7]