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Record Information
Version2.0
Created at2022-09-07 21:13:35 UTC
Updated at2022-09-07 21:13:36 UTC
NP-MRD IDNP0256407
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s,5r,6r)-6-{[(2,6-dimethoxyphenyl)(hydroxy)methylidene]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
DescriptionMeticillin, also known as staphcillin or metin, belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond. Meticillin is a drug which is used to treat infections caused by susceptible gram-positive bacteria, particularly beta-lactamase-producing organisms such as staphylococcus aureus that would otherwise be resistant to most penicillins. Meticillin is an extremely weak basic (essentially neutral) compound (based on its pKa). (2s,5r,6r)-6-{[(2,6-dimethoxyphenyl)(hydroxy)methylidene]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid is found in Diphasiastrum digitatum, Lycopodium deuterodensum, Streptomyces cavourensis and Tanacetum argenteum. (2s,5r,6r)-6-{[(2,6-dimethoxyphenyl)(hydroxy)methylidene]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid was first documented in 2014 (PMID: 24433925). A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 2,6-dimethoxybenzoyl group.
Structure
Thumb
Synonyms
ValueSource
(2S,5R,6R)-6-[(2,6-Dimethoxybenzoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acidChEBI
6beta-(2,6-Dimethoxybenzamido)penicillanic acidChEBI
MeticilinaChEBI
MeticillineChEBI
MeticillinumChEBI
(2S,5R,6R)-6-[(2,6-Dimethoxybenzoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylateGenerator
6b-(2,6-Dimethoxybenzamido)penicillanateGenerator
6b-(2,6-Dimethoxybenzamido)penicillanic acidGenerator
6beta-(2,6-Dimethoxybenzamido)penicillanateGenerator
6Β-(2,6-dimethoxybenzamido)penicillanateGenerator
6Β-(2,6-dimethoxybenzamido)penicillanic acidGenerator
(2,6-Dimethoxyphenyl)penicillinHMDB
6-(2,6-Dimethoxybenzamido)penicillanic acidHMDB
MethicillinumHMDB
MethycillinHMDB
StaphcillinHMDB
CSL Brand OF methicillin sodiumHMDB
Dimethoxyphenyl penicillinHMDB
Penicillin, dimethoxyphenylHMDB
Methicillin hydrate, monosodium saltHMDB
Methicillin monohydrate, monosodium saltHMDB
Methicillin sodiumHMDB
MetinHMDB
MeticillinChEBI
Chemical FormulaC17H20N2O6S
Average Mass380.4150 Da
Monoisotopic Mass380.10421 Da
IUPAC Name(2S,5R,6R)-6-(2,6-dimethoxybenzamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Traditional Namemethicillin
CAS Registry NumberNot Available
SMILES
[H][C@]12SC(C)(C)[C@@H](N1C(=O)[C@H]2NC(=O)C1=C(OC)C=CC=C1OC)C(O)=O
InChI Identifier
InChI=1S/C17H20N2O6S/c1-17(2)12(16(22)23)19-14(21)11(15(19)26-17)18-13(20)10-8(24-3)6-5-7-9(10)25-4/h5-7,11-12,15H,1-4H3,(H,18,20)(H,22,23)/t11-,12+,15-/m1/s1
InChI KeyRJQXTJLFIWVMTO-TYNCELHUSA-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
Diphasiastrum digitatumLOTUS Database
Lycopodium deuterodensumLOTUS Database
Streptomyces cavourensisLOTUS Database
Tanacetum argenteumLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentDipeptides
Alternative Parents
Substituents
  • Alpha-dipeptide
  • Penicillin
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid or derivatives
  • Dimethoxybenzene
  • M-dimethoxybenzene
  • Benzoic acid or derivatives
  • Benzamide
  • Penam
  • Phenoxy compound
  • Phenol ether
  • Benzoyl
  • Anisole
  • Methoxybenzene
  • Alkyl aryl ether
  • Benzenoid
  • Monocyclic benzene moiety
  • Beta-lactam
  • Thiazolidine
  • Tertiary carboxylic acid amide
  • Carboxamide group
  • Azetidine
  • Lactam
  • Secondary carboxylic acid amide
  • Azacycle
  • Organoheterocyclic compound
  • Dialkylthioether
  • Hemithioaminal
  • Thioether
  • Carboxylic acid
  • Ether
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organonitrogen compound
  • Organic oxide
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP1.79ALOGPS
logP0.79ChemAxon
logS-3.1ALOGPS
pKa (Strongest Acidic)2.96ChemAxon
pKa (Strongest Basic)-1.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area105.17 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity93.4 m³·mol⁻¹ChemAxon
Polarizability37.27 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0015541
DrugBank IDDB01603
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID5862
KEGG Compound IDC07177
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkMeticillin
METLIN IDNot Available
PubChem Compound6087
PDB IDMII
ChEBI ID6827
Good Scents IDNot Available
References
General References
  1. Cavalcante FS, Schuenck RP, Ferreira DC, da Costa CR, Nouer SA, dos Santos KR: Meticillin-resistant Staphylococcus aureus: spread of specific lineages among patients in different wards at a Brazilian teaching hospital. J Hosp Infect. 2014 Feb;86(2):151-4. doi: 10.1016/j.jhin.2013.12.004. Epub 2013 Dec 21. [PubMed:24433925 ]
  2. LOTUS database [Link]