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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 00:19:44 UTC
Update Date2021-09-26 22:56:57 UTC
HMDB IDHMDB0247323
Secondary Accession NumbersNone
Metabolite Identification
Common NameComfrey
DescriptionComfrey belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus. Based on a literature review very few articles have been published on Comfrey. This compound has been identified in human blood as reported by (PMID: 31557052 ). Comfrey is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Comfrey is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-4-oxo-2,3,5,7a-tetrahydro-1H-4-pyrrolizin-1-yl 2-methylbut-2-enoic acidHMDB
7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-4-oxo-2,3,5,7a-tetrahydro-1H-4λ⁵-pyrrolizin-1-yl 2-methylbut-2-enoic acidHMDB
Chemical FormulaC20H31NO7
Average Molecular Weight397.468
Monoisotopic Molecular Weight397.210052342
IUPAC Name7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-1-[(2-methylbut-2-enoyl)oxy]-1,2,3,4,5,7a-hexahydropyrrolizin-4-ium-4-olate
Traditional Name1-{[(2,3-dihydroxy-2-isopropylbutanoyl)oxy]methyl}-7-[(2-methylbut-2-enoyl)oxy]-5,6,7,7a-tetrahydro-3H-pyrrolizin-4-ium-4-olate
CAS Registry NumberNot Available
SMILES
CC=C(C)C(=O)OC1CC[N+]2([O-])CC=C(COC(=O)C(O)(C(C)C)C(C)O)C12
InChI Identifier
InChI=1S/C20H31NO7/c1-6-13(4)18(23)28-16-8-10-21(26)9-7-15(17(16)21)11-27-19(24)20(25,12(2)3)14(5)22/h6-7,12,14,16-17,22,25H,8-11H2,1-5H3
InChI KeyMTHHNSCIBYQVSB-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassNot Available
Sub ClassNot Available
Direct ParentAlkaloids and derivatives
Alternative Parents
Substituents
  • Alkaloid or derivatives
  • Pyrrolizine
  • Beta-hydroxy acid
  • Fatty acid ester
  • Dicarboxylic acid or derivatives
  • Hydroxy acid
  • Fatty acyl
  • N-alkylpyrrolidine
  • Trialkyl amine oxide
  • Pyrrolidine
  • Pyrroline
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Tertiary alcohol
  • 1,2-diol
  • Carboxylic acid ester
  • Secondary alcohol
  • Organoheterocyclic compound
  • Azacycle
  • Carboxylic acid derivative
  • N-oxide
  • Trisubstituted n-oxide
  • Organic salt
  • Organooxygen compound
  • Organonitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Carbonyl group
  • Organic nitrogen compound
  • Organic cation
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkSymphytum
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]