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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-07-04 19:04:34 UTC
Update Date2021-09-14 15:47:06 UTC
HMDB IDHMDB0060869
Secondary Accession Numbers
  • HMDB60869
Metabolite Identification
Common NameRamipril Diketopiperazine
DescriptionRamipril Diketopiperazine is a metabolite of ramipril. Ramipril is an angiotensin-converting enzyme (ACE) inhibitor, used to treat high blood pressure and congestive heart failure. It is marketed as Prilace by Arrow Pharmaceuticals in Australia, Ramipro by Westfield Pharma in the Philippines, Tritace by Sanofi-Aventis in Italy and United States and Altace by King Pharmaceuticals in the United States, Ramitens by PharmaSwiss, Ampril by Krka in Slovenia, Corpril by Cemelog-BRS in Hungary, Piramil and Prilinda by Hemofarm in Serbia, by Lek in Poland and by Novartis in Bangladesh, and in Canada as Altace (Sonfi) and Ramipril (Pharmascience). (Wikipedia)
Structure
Data?1563866116
SynonymsNot Available
Chemical FormulaC23H30N2O4
Average Molecular Weight398.4953
Monoisotopic Molecular Weight398.220557458
IUPAC Nameethyl (2S)-2-[(2S,6S,8S,11S)-11-methyl-9,12-dioxo-1,10-diazatricyclo[6.4.0.0²,⁶]dodecan-10-yl]-4-phenylbutanoate
Traditional Nameethyl (2S)-2-[(2S,6S,8S,11S)-11-methyl-9,12-dioxo-1,10-diazatricyclo[6.4.0.0²,⁶]dodecan-10-yl]-4-phenylbutanoate
CAS Registry NumberNot Available
SMILES
CCOC(=O)[C@H](CCC1=CC=CC=C1)N1[C@@H](C)C(=O)N2[C@H]3CCC[C@H]3C[C@H]2C1=O
InChI Identifier
InChI=1S/C23H30N2O4/c1-3-29-23(28)19(13-12-16-8-5-4-6-9-16)24-15(2)21(26)25-18-11-7-10-17(18)14-20(25)22(24)27/h4-6,8-9,15,17-20H,3,7,10-14H2,1-2H3/t15-,17-,18-,19-,20-/m0/s1
InChI KeyKOVMAAYRBJCASY-JBDAPHQKSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acid esters
Alternative Parents
Substituents
  • Alpha-amino acid ester
  • Dioxopiperazine
  • 2,5-dioxopiperazine
  • Fatty acid ester
  • N-alkylpiperazine
  • Monocyclic benzene moiety
  • 1,4-diazinane
  • Piperazine
  • Benzenoid
  • Fatty acyl
  • Tertiary carboxylic acid amide
  • Pyrrolidine
  • Carboxamide group
  • Carboxylic acid ester
  • Lactam
  • Azacycle
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic 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
PropertyValueSource
Water Solubility0.2 g/LALOGPS
logP2.47ALOGPS
logP2.91ChemAxon
logS-3.3ALOGPS
pKa (Strongest Acidic)19.62ChemAxon
pKa (Strongest Basic)-3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area66.92 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity108.11 m³·mol⁻¹ChemAxon
Polarizability44.27 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+189.93931661259
DarkChem[M-H]-184.59631661259
DeepCCS[M+H]+189.66830932474
DeepCCS[M-H]-187.27230932474
DeepCCS[M-2H]-220.15530932474
DeepCCS[M+Na]+195.5830932474
AllCCS[M+H]+198.732859911
AllCCS[M+H-H2O]+196.432859911
AllCCS[M+NH4]+200.932859911
AllCCS[M+Na]+201.532859911
AllCCS[M-H]-194.132859911
AllCCS[M+Na-2H]-194.632859911
AllCCS[M+HCOO]-195.432859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Ramipril DiketopiperazineCCOC(=O)[C@H](CCC1=CC=CC=C1)N1[C@@H](C)C(=O)N2[C@H]3CCC[C@H]3C[C@H]2C1=O4433.1Standard polar33892256
Ramipril DiketopiperazineCCOC(=O)[C@H](CCC1=CC=CC=C1)N1[C@@H](C)C(=O)N2[C@H]3CCC[C@H]3C[C@H]2C1=O2992.0Standard non polar33892256
Ramipril DiketopiperazineCCOC(=O)[C@H](CCC1=CC=CC=C1)N1[C@@H](C)C(=O)N2[C@H]3CCC[C@H]3C[C@H]2C1=O3163.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Ramipril Diketopiperazine GC-MS (Non-derivatized) - 70eV, Positivesplash10-004i-5309000000-2afcfb697215cb9cda272017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ramipril Diketopiperazine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 10V, Positive-QTOFsplash10-0002-0009000000-1f728b746605d158e1a82017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 20V, Positive-QTOFsplash10-0fgn-2239000000-2094826fe233bc122d802017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 40V, Positive-QTOFsplash10-03ec-9710000000-34a3c7ab049a258735fe2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 10V, Negative-QTOFsplash10-0f6t-0009000000-62b15887eb38e4d7cd6a2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 20V, Negative-QTOFsplash10-052b-4797000000-d74c13f086dd40a7389c2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 40V, Negative-QTOFsplash10-0kfy-9740000000-9fd225213e54ad3b8bb02017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 10V, Positive-QTOFsplash10-0002-0009000000-6084f54389edea5f646c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 20V, Positive-QTOFsplash10-0udj-0119000000-b20124b345e70b9c1f132021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 40V, Positive-QTOFsplash10-0cdi-1920000000-e27202815393f5eb9d562021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 10V, Negative-QTOFsplash10-0002-0009000000-183b8d6a4f7721bdf06d2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 20V, Negative-QTOFsplash10-0zfr-0059000000-96bc5ea64b3a1cf4d5882021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ramipril Diketopiperazine 40V, Negative-QTOFsplash10-0a4i-1190000000-a16700fdffda369db1102021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
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 LinkNot Available
METLIN IDNot Available
PubChem Compound14520363
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 ReferencesNot Available