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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 15:16:51 UTC
Update Date2023-02-21 17:18:27 UTC
HMDB IDHMDB0015239
Secondary Accession Numbers
  • HMDB15239
Metabolite Identification
Common NameMethyprylon
DescriptionMethyprylon, also known as noludar, belongs to the class of organic compounds known as piperidinediones. Piperidinediones are compounds containing a piperidine ring which bears two ketones. Methyprylon is a drug which is used for the treatment of insomnia. Based on a literature review very few articles have been published on Methyprylon.
Structure
Data?1676999907
Synonyms
ValueSource
NoludarKegg
Dea no. 2575HMDB
MethprylonHMDB, MeSH
MethyprolonHMDB
MetiprilonHMDB
MetipriloneHMDB
Chemical FormulaC10H17NO2
Average Molecular Weight183.2475
Monoisotopic Molecular Weight183.125928793
IUPAC Name3,3-diethyl-5-methylpiperidine-2,4-dione
Traditional Namedimerin
CAS Registry Number125-64-4
SMILES
CCC1(CC)C(=O)NCC(C)C1=O
InChI Identifier
InChI=1S/C10H17NO2/c1-4-10(5-2)8(12)7(3)6-11-9(10)13/h7H,4-6H2,1-3H3,(H,11,13)
InChI KeySIDLZWOQUZRBRU-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as piperidinediones. Piperidinediones are compounds containing a piperidine ring which bears two ketones.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPiperidines
Sub ClassPiperidinones
Direct ParentPiperidinediones
Alternative Parents
Substituents
  • Piperidinedione
  • Delta-lactam
  • Cyclic ketone
  • Secondary carboxylic acid amide
  • Lactam
  • Ketone
  • Carboxamide group
  • Azacycle
  • Carboxylic acid derivative
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Organic oxygen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water Solubility11.3 g/LNot Available
LogP1.2Not Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility11.3 g/LALOGPS
logP0.94ALOGPS
logP1.88ChemAxon
logS-1.2ALOGPS
pKa (Strongest Acidic)14.53ChemAxon
pKa (Strongest Basic)-3.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area46.17 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity50.25 m³·mol⁻¹ChemAxon
Polarizability19.95 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+141.91131661259
DarkChem[M-H]-139.2131661259
DeepCCS[M+H]+144.82630932474
DeepCCS[M-H]-140.99930932474
DeepCCS[M-2H]-178.19330932474
DeepCCS[M+Na]+153.73230932474
AllCCS[M+H]+140.132859911
AllCCS[M+H-H2O]+135.932859911
AllCCS[M+NH4]+144.032859911
AllCCS[M+Na]+145.132859911
AllCCS[M-H]-143.532859911
AllCCS[M+Na-2H]-144.732859911
AllCCS[M+HCOO]-146.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
MethyprylonCCC1(CC)C(=O)NCC(C)C1=O2374.2Standard polar33892256
MethyprylonCCC1(CC)C(=O)NCC(C)C1=O1519.7Standard non polar33892256
MethyprylonCCC1(CC)C(=O)NCC(C)C1=O1557.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Methyprylon,1TMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C1501.7Semi standard non polar33892256
Methyprylon,1TMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C1583.2Standard non polar33892256
Methyprylon,1TMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C2075.9Standard polar33892256
Methyprylon,1TMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C)C1=O1394.3Semi standard non polar33892256
Methyprylon,1TMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C)C1=O1549.7Standard non polar33892256
Methyprylon,1TMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C)C1=O1841.6Standard polar33892256
Methyprylon,2TMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C)CC(C)=C1O[Si](C)(C)C1544.0Semi standard non polar33892256
Methyprylon,2TMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C)CC(C)=C1O[Si](C)(C)C1718.7Standard non polar33892256
Methyprylon,2TMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C)CC(C)=C1O[Si](C)(C)C1838.5Standard polar33892256
Methyprylon,1TBDMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C(C)(C)C1720.4Semi standard non polar33892256
Methyprylon,1TBDMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C(C)(C)C1790.8Standard non polar33892256
Methyprylon,1TBDMS,isomer #1CCC1(CC)C(=O)NCC(C)=C1O[Si](C)(C)C(C)(C)C2227.4Standard polar33892256
Methyprylon,1TBDMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C(C)(C)C)C1=O1649.9Semi standard non polar33892256
Methyprylon,1TBDMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C(C)(C)C)C1=O1816.0Standard non polar33892256
Methyprylon,1TBDMS,isomer #2CCC1(CC)C(=O)C(C)CN([Si](C)(C)C(C)(C)C)C1=O2012.1Standard polar33892256
Methyprylon,2TBDMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C(C)(C)C)CC(C)=C1O[Si](C)(C)C(C)(C)C1981.1Semi standard non polar33892256
Methyprylon,2TBDMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C(C)(C)C)CC(C)=C1O[Si](C)(C)C(C)(C)C2145.9Standard non polar33892256
Methyprylon,2TBDMS,isomer #1CCC1(CC)C(=O)N([Si](C)(C)C(C)(C)C)CC(C)=C1O[Si](C)(C)C(C)(C)C2112.0Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - Methyprylon EI-B (Non-derivatized)splash10-0a4l-6900000000-385d8cb9bf60082827ac2017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Methyprylon EI-B (Non-derivatized)splash10-0a4l-6900000000-385d8cb9bf60082827ac2018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Methyprylon GC-MS (Non-derivatized) - 70eV, Positivesplash10-00ou-9400000000-8922f5aa566be569ccd12017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Methyprylon GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Methyprylon GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-052f-9400000000-a2bf5474c5cd64d426192014-09-20Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Methyprylon 35V, Positive-QTOFsplash10-0a4i-9600000000-341c448eb86eb43762442021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 10V, Positive-QTOFsplash10-001i-0900000000-c3c2c573bf22a9d36fe22016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 20V, Positive-QTOFsplash10-001i-1900000000-88af5674e1a3672f546c2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 40V, Positive-QTOFsplash10-014i-9000000000-c5f699a0695cb2c7ad042016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 10V, Negative-QTOFsplash10-001i-3900000000-a0c53bfcdf202aa11f852016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 20V, Negative-QTOFsplash10-000x-7900000000-85f7c4a5f9c06ad942872016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 40V, Negative-QTOFsplash10-00kg-9100000000-3cd408992de5e0bc15c42016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 10V, Positive-QTOFsplash10-001i-0900000000-ddf04ef739a42d0362652021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 20V, Positive-QTOFsplash10-05o0-3900000000-0afe8594dbb8ec23dd1a2021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 40V, Positive-QTOFsplash10-00r6-9100000000-d5fbb119c1322409e4e22021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 10V, Negative-QTOFsplash10-001i-0900000000-302ec3e9dbef6a25a8322021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 20V, Negative-QTOFsplash10-001i-2900000000-87bc99139f5df17c13652021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Methyprylon 40V, Negative-QTOFsplash10-0006-9300000000-a5b73de5d90252ae003f2021-10-11Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Membrane
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01107 details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01107 details
Abnormal Concentrations
Not Available
Predicted Concentrations
BiospecimenValueOriginal ageOriginal sexOriginal conditionComments
Blood0.000 uMAdult (>18 years old)BothNormalPredicted based on drug qualities
Blood0.000 umol/mmol creatinineAdult (>18 years old)BothNormalPredicted based on drug qualities
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB01107
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID4018
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkMethyprylon
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. Lomen P, Linet OI: Hypnotic efficacy of triazolam and methyprylon ininsomniac in-patients. J Int Med Res. 1976;4(1):55-8. [PubMed:16792 ]
  2. Contos DA, Dixon KF, Guthrie RM, Gerber N, Mays DC: Nonlinear elimination of methyprylon (noludar) in an overdosed patient: correlation of clinical effects with plasma concentration. J Pharm Sci. 1991 Aug;80(8):768-71. [PubMed:1686463 ]
  3. Gwilt PR, Pankaskie MC, Thornburg JE, Zustiak R, Shoenthal DR: Pharmacokinetics of methyprylon following a single oral dose. J Pharm Sci. 1985 Sep;74(9):1001-3. [PubMed:2866242 ]

Enzymes

General function:
Involved in monooxygenase activity
Specific function:
Responsible for the metabolism of many drugs and environmental chemicals that it oxidizes. It is involved in the metabolism of drugs such as antiarrhythmics, adrenoceptor antagonists, and tricyclic antidepressants.
Gene Name:
CYP2D6
Uniprot ID:
P10635
Molecular weight:
55768.94
References
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. doi: 10.1093/nar/gkp970. Epub 2009 Nov 24. [PubMed:19934256 ]
General function:
Involved in ion transport
Specific function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel
Gene Name:
GABRA1
Uniprot ID:
P14867
Molecular weight:
51801.4
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [PubMed:17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [PubMed:17016423 ]
  3. de Fiebre CM, Marley RJ, Miner LL, de Fiebre NE, Wehner JM, Collins AC: Classical genetic analyses of responses to sedative-hypnotic drugs in crosses derived from long-sleep and short-sleep mice. Alcohol Clin Exp Res. 1992 Jun;16(3):511-21. [PubMed:1352660 ]
  4. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [PubMed:11752352 ]