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Record Information
Version2.0
Created at2022-09-06 08:24:53 UTC
Updated at2022-09-06 08:24:53 UTC
NP-MRD IDNP0228674
Secondary Accession NumbersNone
Natural Product Identification
Common Name14-methoxy-4-methyl-12-oxa-4-azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7,9,11(18),14,16-pentaen-10-ol
DescriptionOripavine belongs to the class of organic compounds known as morphinans. These are polycyclic compounds with a four-ring skeleton with three condensed six-member rings forming a partially hydrogenated phenanthrene moiety, one of which is aromatic while the two others are alicyclic. Oripavine is a very strong basic compound (based on its pKa). The simple bridged oripavine parent compound 6,14-Endoethenotetrahydrooripavine is already 40 times the potency of morphine, but adding a branched tertiary alcohol substituent on the C7 position results in a wide range of highly potent compounds. Outside of the human body, oripavine has been detected, but not quantified in, several different foods, such as radish, cocoa beans, black radish, alpine sweetvetchs, and rocket salad. This could make oripavine a potential biomarker for the consumption of these foods. Replacing the N-methyl group with cyclopropylmethyl results in opioid antagonists such as diprenorphine (M5050, which is used as an antidote to reverse the effects of etorphine, M99), and partial agonists such as buprenorphine, which is widely used in the treatment of opioid addiction. Due to its use in manufacture of strong opioids, oripavine is a controlled substance in some jurisdictions. Oripavine possesses an analgesic potency comparable to morphine; however, it is not clinically useful due to severe toxicity and low therapeutic index. It is the parent compound from which a series of semi-synthetic opioids are derived, which includes the compounds etorphine and buprenorphine. On September 24, 2007, the Drug Enforcement Administration formally added oripavine to Schedule II.Under the Controlled Substances Act 1970, oripavine has an ACSCN of 9330 and a 2013 manufacturing quota of 22,750 kg (50,160 lb). Oripavine has a potential for dependence which is significantly greater than that of thebaine but slightly less than that of morphine. Oripavine is an opiate and the major metabolite of thebaine. Of much greater relevance are the properties of the orvinols, a large family of semi-synthetic oripavine derivatives classically synthesized by the Diels-Alder reaction of thebaine with an appropriate dienophile followed by 3-O-demethylation to the corresponding bridged oripavine. This molecule is biosynthetically related to the morphinane derivatives metabolism, where thebaine and morphine are implicated. These compounds were developed by the group led by K. W. Bentley in the 1960s, and these Bentley compounds represent the first series of "super-potent" μ-opioid agonists, with some compounds in the series being over 10,000 times the potency of morphine as an analgesic. 14-methoxy-4-methyl-12-oxa-4-azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7,9,11(18),14,16-pentaen-10-ol is found in Papaver orientale. On March 14, 2007, the United Nations Commission on Narcotic Drugs formally decided to accept these recommendations, and placed oripavine in the Schedule I.Until recently, oripavine was a Schedule II drug in the United States by default as a thebaine derivative, although it was not explicitly listed.
Structure
Thumb
Synonyms
ValueSource
6,7,8,14-Tetradehydro-4,5-epoxy-6-methoxy-17-methylmorphinan-3-olHMDB
Chemical FormulaC18H19NO3
Average Mass297.3484 Da
Monoisotopic Mass297.13649 Da
IUPAC Name14-methoxy-4-methyl-12-oxa-4-azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7(18),8,10,14,16-pentaen-10-ol
Traditional Name14-methoxy-4-methyl-12-oxa-4-azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7(18),8,10,14,16-pentaen-10-ol
CAS Registry NumberNot Available
SMILES
COC1=CC=C2C3CC4=C5C(OC1C25CCN3C)=C(O)C=C4
InChI Identifier
InChI=1S/C18H19NO3/c1-19-8-7-18-11-4-6-14(21-2)17(18)22-16-13(20)5-3-10(15(16)18)9-12(11)19/h3-6,12,17,20H,7-9H2,1-2H3
InChI KeyZKLXUUYLEHCAMF-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Papaver orientaleLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as morphinans. These are polycyclic compounds with a four-ring skeleton with three condensed six-member rings forming a partially hydrogenated phenanthrene moiety, one of which is aromatic while the two others are alicyclic.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassMorphinans
Sub ClassNot Available
Direct ParentMorphinans
Alternative ParentsNot Available
SubstituentsNot Available
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP2.58ALOGPS
logP1.25ChemAxon
logS-2.5ALOGPS
pKa (Strongest Acidic)7.36ChemAxon
pKa (Strongest Basic)11.09ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area41.93 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity86.18 m³·mol⁻¹ChemAxon
Polarizability31.58 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0030251
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB002075
KNApSAcK IDC00028775
Chemspider ID544349
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkOripavine
METLIN IDNot Available
PubChem Compound626667
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]