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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 18:05:27 UTC
Update Date2021-10-01 23:06:17 UTC
HMDB IDHMDB0257232
Secondary Accession NumbersNone
Metabolite Identification
Common NameRilmenidine
DescriptionRilmenidine, also known as hyperium or oxaminozoline, belongs to the class of organic compounds known as oxazolines. These are organic compounds containing 1,3-oxazoline, a five-membered ring with a nitrogen and an oxygen atoms at the 1- and 3-position, respectively. Additionally, it contains two double bonds. Based on a literature review very few articles have been published on Rilmenidine. This compound has been identified in human blood as reported by (PMID: 31557052 ). Rilmenidine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Rilmenidine 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
HyperiumKegg
OxaminozolineKegg
2-(N-(Dicyclopropylmethyl)amino)oxazolineMeSH
2-(N-(Dicyclopropylmethyl)amino)oxazoline phosphate saltMeSH
Rilmenidine phosphateMeSH
Chemical FormulaC10H16N2O
Average Molecular Weight180.251
Monoisotopic Molecular Weight180.126263143
IUPAC NameN-(dicyclopropylmethyl)-4,5-dihydro-1,3-oxazol-2-amine
Traditional Namehyperium
CAS Registry NumberNot Available
SMILES
C1CC1C(NC1=NCCO1)C1CC1
InChI Identifier
InChI=1S/C10H16N2O/c1-2-7(1)9(8-3-4-8)12-10-11-5-6-13-10/h7-9H,1-6H2,(H,11,12)
InChI KeyCQXADFVORZEARL-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as oxazolines. These are organic compounds containing 1,3-oxazoline, a five-membered ring with a nitrogen and an oxygen atoms at the 1- and 3-position, respectively. Additionally, it contains two double bonds.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzolines
Sub ClassOxazolines
Direct ParentOxazolines
Alternative Parents
Substituents
  • Oxazoline
  • Isourea
  • Oxacycle
  • Azacycle
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Carboximidamide
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
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
logP1.43ALOGPS
logP1.58ChemAxon
logS-2.1ALOGPS
pKa (Strongest Basic)7.11ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area33.62 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity49.79 m³·mol⁻¹ChemAxon
Polarizability20.38 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+142.57530932474
DeepCCS[M-H]-139.89330932474
DeepCCS[M-2H]-175.94330932474
DeepCCS[M+Na]+151.48130932474
AllCCS[M+H]+142.632859911
AllCCS[M+H-H2O]+138.332859911
AllCCS[M+NH4]+146.632859911
AllCCS[M+Na]+147.832859911
AllCCS[M-H]-143.832859911
AllCCS[M+Na-2H]-144.232859911
AllCCS[M+HCOO]-144.732859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
RilmenidineC1CC1C(NC1=NCCO1)C1CC12452.7Standard polar33892256
RilmenidineC1CC1C(NC1=NCCO1)C1CC11666.0Standard non polar33892256
RilmenidineC1CC1C(NC1=NCCO1)C1CC11456.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Rilmenidine,1TMS,isomer #1C[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC11659.1Semi standard non polar33892256
Rilmenidine,1TMS,isomer #1C[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC11647.3Standard non polar33892256
Rilmenidine,1TMS,isomer #1C[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC12762.3Standard polar33892256
Rilmenidine,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC11862.8Semi standard non polar33892256
Rilmenidine,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC11858.8Standard non polar33892256
Rilmenidine,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NCCO1)C(C1CC1)C1CC12794.3Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Rilmenidine GC-MS (Non-derivatized) - 70eV, Positivesplash10-002o-9200000000-7933cc95f11407a677db2021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Rilmenidine 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 - Rilmenidine 10V, Positive-QTOFsplash10-001i-1900000000-8c710cc46f2ead2f9f2b2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Rilmenidine 20V, Positive-QTOFsplash10-03dl-8900000000-cd75abe5d97467d6867b2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Rilmenidine 40V, Positive-QTOFsplash10-00dm-9000000000-74e1491e765ae8c5be712016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Rilmenidine 10V, Negative-QTOFsplash10-00b9-1900000000-9a0029e1f58914250e612016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Rilmenidine 20V, Negative-QTOFsplash10-03ki-2900000000-2d8a153c92c1f4aea9302016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Rilmenidine 40V, Negative-QTOFsplash10-02tc-9200000000-66d9e37220da33e1ea462016-08-03Wishart 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 IDDB11738
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID61963
KEGG Compound IDC11120
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkRilmenidine
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 ]

Enzymes

General function:
Not Available
Specific function:
Acts either as the functional imidazoline-1 receptor (I1R) candidate or as a membrane-associated mediator of the I1R signaling. Binds numerous imidazoline ligands that induces initiation of cell-signaling cascades triggering to cell survival, growth and migration. Its activation by the agonist rilmenidine induces an increase in phosphorylation of mitogen-activated protein kinases MAPK1 and MAPK3 in rostral ventrolateral medulla (RVLM) neurons that exhibited rilmenidine-evoked hypotension (By similarity). Blocking its activation with efaroxan abolished rilmenidine-induced mitogen-activated protein kinase phosphorylation in RVLM neurons (By similarity). Acts as a modulator of Rac-regulated signal transduction pathways (By similarity). Suppresses Rac1-stimulated cell migration by interacting with PAK1 and inhibiting its kinase activity (By similarity). Also blocks Pak-independent Rac signaling by interacting with RAC1 and inhibiting Rac1-stimulated NF-kB response element and cyclin D1 promoter activation (By similarity). Inhibits also LIMK1 kinase activity by reducing LIMK1 'Tyr-508' phosphorylation (By similarity). Inhibits Rac-induced cell migration and invasion in breast and colon epithelial cells (By similarity). Inhibits lamellipodia formation, when overexpressed (By similarity). Plays a role in protection against apoptosis. Involved in association with IRS4 in the enhancement of insulin activation of MAPK1 and MAPK3. When overexpressed, induces a redistribution of cell surface ITGA5 integrin to intracellular endosomal structures.
Gene Name:
NISCH
Uniprot ID:
Q9Y2I1
Molecular weight:
166627.105