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Record Information
Version2.0
Created at2022-09-05 22:48:45 UTC
Updated at2022-09-05 22:48:45 UTC
NP-MRD IDNP0221276
Secondary Accession NumbersNone
Natural Product Identification
Common Namedesmethylxanthohumol
DescriptionDesmethylxanthohumol belongs to the class of organic compounds known as 3-prenylated chalcones. These are chalcones featuring a C5-isoprenoid unit at the 3-position. Desmethylxanthohumol is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Desmethylxanthohumol has been detected, but not quantified in, alcoholic beverages. This could make desmethylxanthohumol a potential biomarker for the consumption of these foods. Cinnamic acid is oxidized by cinnamate-4-hydroxylase and loaded onto Coenzyme A (CoA) by 4-coumarate CoA ligase to yield 4-hydroxy-cinnamoyl CoA, the starter unit for PKS extension. This molecule is extended three times with malonyl CoA, cyclized through a Claisen condensation, and aromatized through tautomerization to form naringenin chalcone (chalconaringenin). Xanthohumol can be extracted with pressurized hot water. L-Phenylalanine serves as the starting material, which is converted to cinnamic acid by the PLP-dependent phenylalanine ammonia lyase. During the brewing process, xanthohumol and other prenylated flavonoids are lost as they are converted to the corresponding flavanones. Xanthohumol is a prenylated chalconoid derived from a plant type III PKS, and is synthesized in the glandular trichromes of hop cones. Total syntheses of xanthohumol and derivatives have been achieved, though extraction from hops remains a primary source. desmethylxanthohumol is found in Helichrysum felinum, Helichrysum forskahlii, Humulus lupulus and Sophora flavescens. desmethylxanthohumol was first documented in 2012 (PMID: 21912858). In the case of xanthohumol, a prenyltransferase called Humulus lupulus prenyltransferase 1 (HlPT-1) attaches a molecule of dimethylallyl pyrophosphate from the DXP pathway (PMID: 23947133).
Structure
Thumb
Synonyms
ValueSource
3-(4-Hydroxyphenyl)-1-[2,4,6-trihydroxy-3-(3-methyl-2-butenyl)phenyl]-2-propen-1-oneHMDB
1-(2,4-Dihydroxy-6-methoxy-3-(3-methyl-2-butenyl)phenyl)-3-(4-hydroxyphenyl)-2-propen-1-oneMeSH
XanthohumolMeSH
Chemical FormulaC20H20O5
Average Mass340.3698 Da
Monoisotopic Mass340.13107 Da
IUPAC Name(2E)-3-(4-hydroxyphenyl)-1-[2,4,6-trihydroxy-3-(3-methylbut-2-en-1-yl)phenyl]prop-2-en-1-one
Traditional Namedesmethylxanthohumol
CAS Registry NumberNot Available
SMILES
CC(C)=CCC1=C(O)C(C(=O)\C=C\C2=CC=C(O)C=C2)=C(O)C=C1O
InChI Identifier
InChI=1S/C20H20O5/c1-12(2)3-9-15-17(23)11-18(24)19(20(15)25)16(22)10-6-13-4-7-14(21)8-5-13/h3-8,10-11,21,23-25H,9H2,1-2H3/b10-6+
InChI KeyFUSADYLVRMROPL-UXBLZVDNSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Helichrysum felinumLOTUS Database
Helichrysum forskahliiLOTUS Database
Humulus lupulusLOTUS Database
Sophora flavescensLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 3-prenylated chalcones. These are chalcones featuring a C5-isoprenoid unit at the 3-position.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassLinear 1,3-diarylpropanoids
Sub ClassChalcones and dihydrochalcones
Direct Parent3-prenylated chalcones
Alternative Parents
Substituents
  • 3-prenylated chalcone
  • 2'-hydroxychalcone
  • Cinnamylphenol
  • Hydroxycinnamic acid or derivatives
  • Acylphloroglucinol derivative
  • Benzenetriol
  • Phloroglucinol derivative
  • Benzoyl
  • Aryl ketone
  • Styrene
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Monocyclic benzene moiety
  • Benzenoid
  • Acryloyl-group
  • Vinylogous acid
  • Enone
  • Alpha,beta-unsaturated ketone
  • Ketone
  • Polyol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP3.53ALOGPS
logP5.7ChemAxon
logS-4.5ALOGPS
pKa (Strongest Acidic)7.61ChemAxon
pKa (Strongest Basic)-5.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area97.99 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity99.04 m³·mol⁻¹ChemAxon
Polarizability36.79 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0030610
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB002506
KNApSAcK IDC00035575
Chemspider ID4947362
KEGG Compound IDC16416
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkXanthohumol
METLIN IDNot Available
PubChem Compound6443339
PDB IDNot Available
ChEBI ID80489
Good Scents IDNot Available
References
General References
  1. Zhang WK, Wang SB, Fu CY, Li P, Xu JK: [Flavonoids from Humulus lupulus]. Zhongguo Zhong Yao Za Zhi. 2013 May;38(10):1539-42. [PubMed:23947133 ]
  2. Gatica-Arias A, Farag MA, Stanke M, Matousek J, Wessjohann L, Weber G: Flavonoid production in transgenic hop (Humulus lupulus L.) altered by PAP1/MYB75 from Arabidopsis thaliana L. Plant Cell Rep. 2012 Jan;31(1):111-9. doi: 10.1007/s00299-011-1144-5. Epub 2011 Sep 13. [PubMed:21912858 ]
  3. LOTUS database [Link]