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: cC(=O)c; cnc; c=O; c-n(c)c
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, tryptanthrin, indolo[2,1-b]quinazoline-6,12-dione, Tryptanthrin
External chemical identifiers:
CID:CID_73549; ChEMBL:CHEMBL306946; ChEBI: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 0.477516
Indolo[2,1-b]quinazoline-6,12-dione
ADME 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
Number of Brenk structural alerts SwissADME 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
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.