Cinchonain-Ib

Cinchonain-Ib
	Chemical structure of cinchonain-Ib
Names
	IUPAC name (2R,3R,4′′S)-4′′-(3,4-Dihydroxyphenyl)-3,3′,4′,5-tetrahydroxy-6′′H-pyrano[2′′,3′′:7,8]flavan-6′′-one
	Systematic IUPAC name (2R,3R,10S)-2,10-Bis(3,4-dihydroxyphenyl)-3,5-dihydroxy-3,4,9,10-tetrahydro-2H,8H-(benzo[1,2-b:3,4-b′]dipyran)-8-one
Identifiers
CAS Number	85022-69-1 ;
3D model (JSmol)	Interactive image ;
ChEMBL	ChEMBL401058 ;
ChemSpider	8631931 ;
PubChem CID	442675 ;
UNII	F742N63ATR ;
CompTox Dashboard (EPA)	DTXSID40331901 ;
	InChI InChI=1S/C24H20O9/c25-14-3-1-10(5-17(14)28)12-8-21(31)32-20-9-16(27)13-7-19(30)23(33-24(13)22(12)20)11-2-4-15(26)18(29)6-11/h1-6,9,12,19,23,25-30H,7-8H2/t12-,19+,23+/m0/s1 Key: LKCOZWLUAKSRQM-IBUUURQNSA-N ;
	SMILES O=C5Oc3c(c2O[C@H](c1ccc(O)c(O)c1)[C@H](O)Cc2c(O)c3)[C@H](c4ccc(O)c(O)c4)C5;
Properties
Chemical formula	C24H20O9
Molar mass	452.415 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Last updated May 24, 2025

Cinchonain-Ib is a flavonolignan found in the bark of Trichilia catigua used as catuaba.^[1] A 2009 study revealed that Cinchonian-Ib derived from boiled Eriobotrya japonica leaves has a glucose-lowering effect in rats, and could possibly be used to manage diabetes mellitus in humans.^[2]

References

↑ Beltrame, F. L.; Filho, E. R.; Barros, F. A. P.; Cortez, D. A. G.; Casset, Q. B. (2006). "A validated higher-performance liquid chromatography method for quantification of cinchonain Ib in bark and phytopharmaceuticals of Trichilia catigua used as Catuaba". Journal of Chromatography A. 1119 (1–2): 257–263. doi:10.1016/j.chroma.2005.10.050. PMID 16360665.
↑ Qa’dan, Fadi; Verspohl, Eugen. J.; Nahrstedt, Adolf; Petereit, Frank; Matalka, Khalid Z. (15 July 2009). "Cinchonain Ib isolated from Eriobotrya japonica induces insulin secretion in vitro and in vivo" . Journal of Ethnopharmacology. 124 (2): 224–227. doi:10.1016/j.jep.2009.04.023. ISSN 0378-8741. PMID 19397981 . Retrieved 19 October 2022.

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[1] Beltrame, F. L.; Filho, E. R.; Barros, F. A. P.; Cortez, D. A. G.; Casset, Q. B. (2006). "A validated higher-performance liquid chromatography method for quantification of cinchonain Ib in bark and phytopharmaceuticals of Trichilia catigua used as Catuaba". Journal of Chromatography A. 1119 (1–2): 257–263. doi:10.1016/j.chroma.2005.10.050. PMID 16360665.

[2] Qa’dan, Fadi; Verspohl, Eugen. J.; Nahrstedt, Adolf; Petereit, Frank; Matalka, Khalid Z. (15 July 2009). "Cinchonain Ib isolated from Eriobotrya japonica induces insulin secretion in vitro and in vivo" . Journal of Ethnopharmacology. 124 (2): 224–227. doi:10.1016/j.jep.2009.04.023. ISSN 0378-8741. PMID 19397981 . Retrieved 19 October 2022.

[1]

[2]

v t e Types of lignans
Lignans	Arboreol Arctigenin Chamaecypanone A and B Eudesmin Globoidnan A Gmelanone Gmelinol Gummadiol Isootobanone Lyoniresinol Macelignan Matairesinol Obtulignolide Pinoresinol Pluviatilol Podophyllotoxin Secoisolariciresinol Sesamin Sesamolin Steganacin
Lignan glycosides	Arctiin Aviculin (isolariciresinol-9'-rhamnopyranoside) Secoisolariciresinol diglucoside (SDG)
Mammalian lignans (enterolignans)	Enterodiol Enterolactone Lariciresinol Hydroxymatairesinol Syringaresinol
Neolignans	Balanophonin Eusiderin Honokiol Interiotherin Linderin A Magnolol Megaphone 4-O-Methylhonokiol Rhaphidecursinol A Rhaphidecursinol B
Flavonolignans	Cinchonain-Ib Dehydrosilybin Deoxysilycistin Deoxysilydianin Hydnocarpin Hydnowightin Neosilyhermin Palstatin Rhodiolin Salcolin A Salcolin B Scutellaprostin A, B, C, D, E and F Silandrin Silyamandin Silibinin Silybinome Silicristin Silydianin Silyhermin Tricin 4'-O-(erythro-beta-guaiacylglyceryl) ether Tricin 4'-O-(threo-beta-guaiacylglyceryl) ether

Names
Chemical structure of cinchonain-Ib
IUPAC name (2R,3R,4′′S)-4′′-(3,4-Dihydroxyphenyl)-3,3′,4′,5-tetrahydroxy-6′′H-pyrano[2′′,3′′:7,8]flavan-6′′-one
Systematic IUPAC name (2R,3R,10S)-2,10-Bis(3,4-dihydroxyphenyl)-3,5-dihydroxy-3,4,9,10-tetrahydro-2H,8H-(benzo[1,2-b:3,4-b′]dipyran)-8-one
Identifiers
CAS Number	85022-69-1 ^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL401058 ^Y
ChemSpider	8631931 ^Y
PubChem CID	442675
UNII	F742N63ATR ^Y
CompTox Dashboard (EPA)	DTXSID40331901
InChI InChI=1S/C24H20O9/c25-14-3-1-10(5-17(14)28)12-8-21(31)32-20-9-16(27)13-7-19(30)23(33-24(13)22(12)20)11-2-4-15(26)18(29)6-11/h1-6,9,12,19,23,25-30H,7-8H2/t12-,19+,23+/m0/s1^Y Key: LKCOZWLUAKSRQM-IBUUURQNSA-N^Y
SMILES O=C5Oc3c(c2O[C@H](c1ccc(O)c(O)c1)[C@H](O)Cc2c(O)c3)[C@H](c4ccc(O)c(O)c4)C5
Properties
Chemical formula	C₂₄H₂₀O₉
Molar mass	452.415 g·mol⁻¹
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