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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 03:57:02 UTC
Update Date2021-09-26 23:00:20 UTC
HMDB IDHMDB0249439
Secondary Accession NumbersNone
Metabolite Identification
Common NameBunazosin
DescriptionBunazosin belongs to the class of organic compounds known as quinazolinamines. These are heterocyclic aromatic compounds containing a quianazoline moiety substituted by one or more amine groups. The mechanism of action is a reduction of aqueous outflow through the uveoscleral pathway resulting in lowering the intraocular pressure. Bunazosin is a very strong basic compound (based on its pKa). Bunazosin was initially developed to treat benign prostatic hyperplasia (BPH). Bunazosin potentially could have the same effect but there has been no research to substantiate this as a risk for cataract surgery. It also may act to improve blood flow to the ocular nerve. It has been approved in Japan in a topical form to treat glaucoma. Systemic Alpha-1 adrenergic receptor antagonists have been implicated in Intraoperative Floppy Iris Syndrome (IFIS). Bunazosin (INN) is an alpha 1 antagonist. This compound has been identified in human blood as reported by (PMID: 31557052 ). Bunazosin is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Bunazosin 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
BUNAZOSIN hydrochlorideChEMBL, MeSH
4-amino-2-(4-butanoylhexahydro-1H-1,4-Diazepin-1-yl)-6,7-dimethoxyquinazoline HCLMeSH
AndanteMeSH
BunazocineMeSH
Chemical FormulaC19H27N5O3
Average Molecular Weight373.457
Monoisotopic Molecular Weight373.211389749
IUPAC Name1-[4-(4-imino-6,7-dimethoxy-3,4-dihydroquinazolin-2-yl)-1,4-diazepan-1-yl]butan-1-one
Traditional Nameandante
CAS Registry NumberNot Available
SMILES
CCCC(=O)N1CCCN(CC1)C1=NC2=CC(OC)=C(OC)C=C2C(=N)N1
InChI Identifier
InChI=1S/C19H27N5O3/c1-4-6-17(25)23-7-5-8-24(10-9-23)19-21-14-12-16(27-3)15(26-2)11-13(14)18(20)22-19/h11-12H,4-10H2,1-3H3,(H2,20,21,22)
InChI KeyRHLJLALHBZGAFM-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as quinazolinamines. These are heterocyclic aromatic compounds containing a quianazoline moiety substituted by one or more amine groups.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazanaphthalenes
Sub ClassBenzodiazines
Direct ParentQuinazolinamines
Alternative Parents
Substituents
  • Quinazolinamine
  • Anisole
  • Dialkylarylamine
  • 1,4-diazepane
  • Alkyl aryl ether
  • Diazepane
  • Aminopyrimidine
  • Pyrimidine
  • Benzenoid
  • Imidolactam
  • Tertiary carboxylic acid amide
  • Heteroaromatic compound
  • Carboxamide group
  • Amino acid or derivatives
  • Ether
  • Carboxylic acid derivative
  • Azacycle
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Primary amine
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Amine
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot 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
logP1.44ALOGPS
logP1.12ChemAxon
logS-3.5ALOGPS
pKa (Strongest Acidic)12.72ChemAxon
pKa (Strongest Basic)5.83ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area90.25 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity116.07 m³·mol⁻¹ChemAxon
Polarizability40.54 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+186.99230932474
DeepCCS[M-H]-184.45430932474
DeepCCS[M-2H]-219.03930932474
DeepCCS[M+Na]+195.23630932474
AllCCS[M+H]+189.032859911
AllCCS[M+H-H2O]+186.432859911
AllCCS[M+NH4]+191.432859911
AllCCS[M+Na]+192.032859911
AllCCS[M-H]-188.932859911
AllCCS[M+Na-2H]-189.432859911
AllCCS[M+HCOO]-190.132859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202210.2403 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20222.17 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid1480.0 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid184.8 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid153.1 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid162.8 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid81.8 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid324.4 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid378.0 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)730.5 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid710.0 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid236.1 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1359.3 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid214.3 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid277.1 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate357.7 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA409.4 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water53.4 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
BunazosinCCCC(=O)N1CCCN(CC1)C1=NC2=CC(OC)=C(OC)C=C2C(=N)N14470.5Standard polar33892256
BunazosinCCCC(=O)N1CCCN(CC1)C1=NC2=CC(OC)=C(OC)C=C2C(=N)N13357.4Standard non polar33892256
BunazosinCCCC(=O)N1CCCN(CC1)C1=NC2=CC(OC)=C(OC)C=C2C(=N)N13607.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Bunazosin,1TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)[NH]2)CC13321.0Semi standard non polar33892256
Bunazosin,1TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)[NH]2)CC13289.7Standard non polar33892256
Bunazosin,1TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)[NH]2)CC15137.4Standard polar33892256
Bunazosin,1TMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C)CC13368.5Semi standard non polar33892256
Bunazosin,1TMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C)CC13239.5Standard non polar33892256
Bunazosin,1TMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C)CC15196.6Standard polar33892256
Bunazosin,2TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)N2[Si](C)(C)C)CC13334.9Semi standard non polar33892256
Bunazosin,2TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)N2[Si](C)(C)C)CC13294.9Standard non polar33892256
Bunazosin,2TMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C)N2[Si](C)(C)C)CC14796.5Standard polar33892256
Bunazosin,1TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)[NH]2)CC13516.7Semi standard non polar33892256
Bunazosin,1TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)[NH]2)CC13530.8Standard non polar33892256
Bunazosin,1TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)[NH]2)CC15067.1Standard polar33892256
Bunazosin,1TBDMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C(C)(C)C)CC13552.4Semi standard non polar33892256
Bunazosin,1TBDMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C(C)(C)C)CC13465.9Standard non polar33892256
Bunazosin,1TBDMS,isomer #2CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N)N2[Si](C)(C)C(C)(C)C)CC15059.0Standard polar33892256
Bunazosin,2TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)N2[Si](C)(C)C(C)(C)C)CC13670.2Semi standard non polar33892256
Bunazosin,2TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)N2[Si](C)(C)C(C)(C)C)CC13740.6Standard non polar33892256
Bunazosin,2TBDMS,isomer #1CCCC(=O)N1CCCN(C2=NC3=CC(OC)=C(OC)C=C3C(=N[Si](C)(C)C(C)(C)C)N2[Si](C)(C)C(C)(C)C)CC14678.7Standard polar33892256
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 IDDB12230
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 LinkBunazosin
METLIN IDNot Available
PubChem Compound2472
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 ]