IMPPAT Phytochemical information: 
Indolo[2,1-b]quinazoline-6,12-dione
Indolo[2,1-b]quinazoline-6,12-dione
Summary

SMILES: O=C1c2nc3ccccc3c(=O)n2-c2c1cccc2
InChI: InChI=1S/C15H8N2O2/c18-13-10-6-2-4-8-12(10)17-14(13)16-11-7-3-1-5-9(11)15(17)19/h1-8H
InChIKey: VQQVWGVXDIPORV-UHFFFAOYSA-N
DeepSMILES: O=Ccncccccc6c=O)n%10-cc%13cccc6
Scaffold Graph/Node/Bond level: O=C1c2ccccc2-n2c1nc1ccccc1c2=O
Scaffold Graph/Node level: OC1C2CCCCC2N2C(O)C3CCCCC3NC12
Scaffold Graph level: CC1C2CCCCC2C2C(C)C3CCCCC3CC12
Functional groups: c-n(c)c; c=O; cC(c)=O; cnc
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organoheterocyclic compounds
ClassyFire Class: Diazanaphthalenes
ClassyFire Subclass: Benzodiazines
NP Classifier Biosynthetic pathway: Alkaloids
NP Classifier Superclass: Anthranilic acid alkaloids
NP Classifier Class: Quinazoline alkaloids
Synonymous chemical names:
couroupitine a, indolo[2,1-b]quinazoline-6,12-dione, tryptanthrin
External chemical identifiers:
CID:73549; ChEMBL:CHEMBL306946; ChEBI:9768; ZINC:ZINC000000033299; FDASRS:4Y6E3F2U66; SureChEMBL:SCHEMBL2426211; MolPort-002-516-459
Chemical structure download
2D:2D MOL2D MOL22D SDF
3D:3D MOL3D MOL23D SDF3D PDB3D PDBQT
Indolo[2,1-b]quinazoline-6,12-dione
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 248.24
Log P RDKit 1.93
Topological polar surface area (Å2) RDKit 51.96
Number of hydrogen bond acceptors RDKit 4
Number of hydrogen bond donors RDKit 0
Number of carbon atoms RDKit 15
Number of heavy atoms RDKit 19
Number of heteroatoms RDKit 4
Number of nitrogen atoms RDKit 2
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 0
Stereochemical complexity RDKit 0
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 15
Number of sp3 hybridized carbon atoms RDKit 0
Shape complexity RDKit 0
Number of rotatable bonds RDKit 0
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 1
Number of aliphatic rings RDKit 1
Number of aromatic carbocycles RDKit 2
Number of aromatic heterocycles RDKit 1
Number of aromatic rings RDKit 3
Total number of rings RDKit 4
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 0
Number of Smallest Set of Smallest Rings (SSSR) RDKit 4
Indolo[2,1-b]quinazoline-6,12-dione
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 0
Lipinski’s rule of 5 filter RDKit Passed
Number of Ghose filter violations RDKit 0
Ghose filter RDKit Passed
Veber filter RDKit Good
Pfizer 3/75 filter RDKit Bad
GSK 4/400 filter RDKit Good
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.4775
Indolo[2,1-b]quinazoline-6,12-dione
ADMET properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Soluble
Solubility class [Silicos-IT] SwissADME Moderately soluble
Blood Brain Barrier permeation SwissADME Yes
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.36
Number of PAINS structural alerts SwissADME 0.0
Number of Brenk structural alerts SwissADME 0.0
CYP1A2 inhibitor SwissADME Yes
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No
Indolo[2,1-b]quinazoline-6,12-dione
Predicted human target proteins
Protein identifierHGNC symbolCombined score from STITCH database
ENSP00000327048MAF815
ENSP00000362410MAFB712
The human target proteins were predicted using STITCH, a database of Chemical-Protein interaction networks.