Medicarpin

Medicarpin
Names

IUPAC name 9-Methoxy-6a,11a-dihydro-6H-[1]benzofuro[3,2‑c]chromen-3-ol
Other names 3-Hydroxy-9-methoxypterocarpan
Identifiers
CAS Number	32383-76-9^Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:100^N
ChEMBL	ChEMBL238823^N
ChemSpider	298082^N
KEGG	C10503^N
PubChem	623060
InChI InChI=1S/C16H14O4/c1-18-10-3-5-11-13-8-19-14-6-9(17)2-4-12(14)16(13)20-15(11)7-10/h2-7,13,16-17H,8H2,1H3/t13-,16-/m0/s1^N Key: NSRJSISNDPOJOP-BBRMVZONSA-N^N InChI=1/C16H14O4/c1-18-10-3-5-11-13-8-19-14-6-9(17)2-4-12(14)16(13)20-15(11)7-10/h2-7,13,16-17H,8H2,1H3/t13-,16-/m0/s1 Key: NSRJSISNDPOJOP-BBRMVZONBK
SMILES COC1=CC2=C(C=C1)[C@@H]3COC4=C([C@@H]3O2)C=CC(=C4)O
Properties
Chemical formula	C₁₆H₁₄O₄
Molar mass	270.27 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

Medicarpin is a pterocarpan, a derivative of isoflavonoids.

Natural occurrences

Medicarpin is found in Medicago truncatula and Swartzia madagascariensis. It can also be found in Maackia amurensis cell cultures.^[1]

The root nodule formation by Sinorhizobium meliloti^[2] is apparently dependent on the flavonoids pathway.^[3]

Pterocarpin synthase has 3 substrates : medicarpin, NADP⁺ and H₂O, and 3 products : vestitone, NADPH and H⁺.^[4]

↑ Isoflavonoid production by callus cultures of Maackia amurensis. S.A Fedoreyev, T.V Pokushalov, M.V Veselova, L.I Glebko, N.I Kulesh, T.I Muzarok, L.D Seletskaya, V.P Bulgakov and Yu.N Zhuravlev, Fitoterapia, 1 August 2000, Volume 71, Issue 4, Pages 365–372, doi:10.1016/S0367-326X(00)00129-5
↑ Dakora FD, Joseph CM, Phillips DA (1993). "Alfalfa (Medicago sativa L.) Root Exudates Contain Isoflavonoids in the Presence of Rhizobium meliloti.". Plant Physiol. 101 (3): 819–824. doi:10.1104/pp.101.3.819. PMC 158695. PMID 12231731.
↑ Wasson, A. P. (2006). "Silencing the Flavonoid Pathway in Medicago truncatula Inhibits Root Nodule Formation and Prevents Auxin Transport Regulation by Rhizobia". The Plant Cell Online. 18: 1617–1629. doi:10.1105/tpc.105.038232.
↑ Lining Guo, Richard A. Dixon and Nancy L. Paival (1994). "Conversion of Vestitone to Medicarpin in Alfalfa (Medicago sativa L.) Is Catalyzed by Two Independent Enzymes. Identification, Purification, and Characterization of Vestitone Reductase and 7,2'-Dihydroxy-4'-MethoxyIsoflavanol Dehydratase" (PDF). Journal of Biological Chemistry. 269 (35): 22372–22378. PMID 8071365.

Types of pterocarpans

Pterocarpans:	Erybraedin C Erythrabyssin II Folitenol Glycinol Maackiain Orientanol A, B and C Pisatin Sophorol Trifolirhizin

O-methylated	Kushenin Medicarpin Pterocarpin

Prenylated	Bitucarpin A and B Glyceollidin I and II Glyceollins (Glyceollin I, II, III and IV) Glycyrrhizol A Morisianine Phaseolin Striatine

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