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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 09:17:26 UTC
Update Date2021-09-26 23:03:53 UTC
HMDB IDHMDB0251715
Secondary Accession NumbersNone
Metabolite Identification
Common NameEfonidipine
DescriptionEfonidipine belongs to the class of organic compounds known as phenylbenzamines. These are aromatic compounds consisting of a benzyl group that is N-linked to a benzamine. Efonidipine is a drug which is used for the treatment of hypertension. Efonidipine is a moderately basic compound (based on its pKa). This compound has been identified in human blood as reported by (PMID: 31557052 ). Efonidipine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Efonidipine 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
Enfonidipine hydrochlorideMeSH
5-(5,5-Dimethyl-1,3,2-dioxaphosphorinan-2-yl)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylic acid, 2-(phenyl(phenylmethyl)amino) ethyl ester, p-oxide, hydrochlorideMeSH
Efonidipine HCLChEMBL
2-[Benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxo-1,3,2λ⁵-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acidGenerator
Chemical FormulaC34H38N3O7P
Average Molecular Weight631.666
Monoisotopic Molecular Weight631.244737574
IUPAC Name2-[benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxo-1,3,2λ⁵-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate
Traditional Nameefonidipine
CAS Registry NumberNot Available
SMILES
CC1=C(C(C2=CC=CC(=C2)[N+]([O-])=O)C(=C(C)N1)P1(=O)OCC(C)(C)CO1)C(=O)OCCN(CC1=CC=CC=C1)C1=CC=CC=C1
InChI Identifier
InChI=1S/C34H38N3O7P/c1-24-30(33(38)42-19-18-36(28-15-9-6-10-16-28)21-26-12-7-5-8-13-26)31(27-14-11-17-29(20-27)37(39)40)32(25(2)35-24)45(41)43-22-34(3,4)23-44-45/h5-17,20,31,35H,18-19,21-23H2,1-4H3
InChI KeyNSVFSAJIGAJDMR-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as phenylbenzamines. These are aromatic compounds consisting of a benzyl group that is N-linked to a benzamine.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassPhenylmethylamines
Direct ParentPhenylbenzamines
Alternative Parents
Substituents
  • Phenylbenzamine
  • Dihydropyridinecarboxylic acid derivative
  • Nitrobenzene
  • Benzylamine
  • Nitroaromatic compound
  • Tertiary aliphatic/aromatic amine
  • Dialkylarylamine
  • Aniline or substituted anilines
  • Dihydropyridine
  • Phosphonic acid diester
  • Aralkylamine
  • Hydropyridine
  • Phosphonic acid ester
  • Organophosphonic acid derivative
  • Vinylogous amide
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • C-nitro compound
  • Carboxylic acid ester
  • Amino acid or derivatives
  • Tertiary amine
  • Organic nitro compound
  • Allyl-type 1,3-dipolar organic compound
  • Azacycle
  • Secondary amine
  • Propargyl-type 1,3-dipolar organic compound
  • Carboxylic acid derivative
  • Organic 1,3-dipolar compound
  • Secondary aliphatic amine
  • Oxacycle
  • Organic oxoazanium
  • Enamine
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Organic zwitterion
  • Amine
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Organophosphorus compound
  • Carbonyl group
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic 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
PropertyValueSource
logP5.35ALOGPS
logP5.44ChemAxon
logS-6.4ALOGPS
pKa (Strongest Acidic)19.49ChemAxon
pKa (Strongest Basic)2.33ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area120.24 ŲChemAxon
Rotatable Bond Count11ChemAxon
Refractivity175.4 m³·mol⁻¹ChemAxon
Polarizability64.96 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+222.78330932474
DeepCCS[M-H]-220.91830932474
DeepCCS[M-2H]-254.15830932474
DeepCCS[M+Na]+228.52330932474
AllCCS[M+H]+246.332859911
AllCCS[M+H-H2O]+245.232859911
AllCCS[M+NH4]+247.332859911
AllCCS[M+Na]+247.632859911
AllCCS[M-H]-233.132859911
AllCCS[M+Na-2H]-234.832859911
AllCCS[M+HCOO]-236.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
EfonidipineCC1=C(C(C2=CC=CC(=C2)[N+]([O-])=O)C(=C(C)N1)P1(=O)OCC(C)(C)CO1)C(=O)OCCN(CC1=CC=CC=C1)C1=CC=CC=C16061.1Standard polar33892256
EfonidipineCC1=C(C(C2=CC=CC(=C2)[N+]([O-])=O)C(=C(C)N1)P1(=O)OCC(C)(C)CO1)C(=O)OCCN(CC1=CC=CC=C1)C1=CC=CC=C14249.9Standard non polar33892256
EfonidipineCC1=C(C(C2=CC=CC(=C2)[N+]([O-])=O)C(=C(C)N1)P1(=O)OCC(C)(C)CO1)C(=O)OCCN(CC1=CC=CC=C1)C1=CC=CC=C15251.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Efonidipine,1TMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C4473.2Semi standard non polar33892256
Efonidipine,1TMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C4351.8Standard non polar33892256
Efonidipine,1TMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C5701.1Standard polar33892256
Efonidipine,1TBDMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C(C)(C)C4774.5Semi standard non polar33892256
Efonidipine,1TBDMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C(C)(C)C4543.9Standard non polar33892256
Efonidipine,1TBDMS,isomer #1CC1=C(C(=O)OCCN(CC2=CC=CC=C2)C2=CC=CC=C2)C(C2=CC=CC([N+](=O)[O-])=C2)C(P2(=O)OCC(C)(C)CO2)=C(C)N1[Si](C)(C)C(C)(C)C5680.5Standard polar33892256
Spectra

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 10V, Positive-QTOFsplash10-001i-2000009000-bd26d50dddbe40bd1a8b2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 20V, Positive-QTOFsplash10-000i-9000006000-adb4c04fcd90295c35cd2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 40V, Positive-QTOFsplash10-05fr-9011000000-7c9be6cd296b94d66f782016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 10V, Negative-QTOFsplash10-000x-1000009000-ac55941886d571a34ad62016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 20V, Negative-QTOFsplash10-0019-9300005000-1d798b40344ead2e9e3c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Efonidipine 40V, Negative-QTOFsplash10-00di-9200000000-c414fd80a35c8cfc0cec2016-08-03Wishart LabView Spectrum
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 IDDB09235
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 LinkEfonidipine
METLIN IDNot Available
PubChem Compound119171
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 ]