Quinazolinone

Quinazolinone

SCHEMBL10418

O=c1nc[nH]c2ccccc12

nearest known ligand 0.48

Full drug profile on Sugi Atlas →

Predicted protein targets (top 20)

geneUniProtsupporting neighboursconfidence
PARP1 P09874 8/20 0.48
SMN1; SMN2 Q16637 3/20 0.48
PDPK1 O15530 1/20 0.48
CA12 O43570 1/20 0.48
ALOX15 P16050 1/20 0.48
CA9 Q16790 1/20 0.48
TNKS2 Q9H2K2 1/20 0.48
ALDH1A1 P00352 3/20 0.47
HPGD P15428 3/20 0.47
PRNP P04156 2/20 0.47
HTT P42858 2/20 0.47
MEN1 O00255 1/20 0.47
MAPT P10636 1/20 0.47
KMT2A Q03164 1/20 0.47
KDM4E B2RXH2 3/20 0.42
NPSR1 Q6W5P4 1/20 0.42
RXFP1 Q9HBX9 1/20 0.42
APOBEC3G Q9HC16 1/20 0.42
ATM Q13315 2/20 0.41
LMNA P02545 1/20 0.41

Click a target to see other patent compounds predicted against it — the reverse direction, in place.

Similar compounds — the chemically nearest patent molecules

Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.

Compoundsimilaritytop predictedshared targets
Quinazolinone SCHEMBL7746268 0.98 PARP1 (0.47) PARP1SMN1; SMN2PDPK1CA12ALOX15
Quinazolinone SCHEMBL8201415 0.98 PARP1 (0.47) PARP1SMN1; SMN2PDPK1CA12ALOX15
Quinazolinone SCHEMBL7744396 0.96 PARP1 (0.46) PARP1SMN1; SMN2PDPK1CA12ALOX15
Quinazolinone SCHEMBL5266556 0.88 ALDH1A1 (0.42) PARP1SMN1; SMN2PDPK1CA12ALOX15
SCHEMBL29258736 0.76 PDE3B (0.44) PARP1SMN1; SMN2PDPK1CA12ALOX15
SCHEMBL30882780 0.76 PDE3B (0.44) PARP1SMN1; SMN2PDPK1CA12ALOX15
4-Aminoquinazoline SCHEMBL5334497 0.74 ALDH1A1 (0.43) PARP1SMN1; SMN2PDPK1CA12ALOX15
SCHEMBL1193984 0.74 ALDH1A1 (0.59) PARP1SMN1; SMN2PDPK1CA12ALOX15
SCHEMBL3402056 0.74 KDM4C (0.49) PARP1MAPTCHEK1
SCHEMBL8622177 0.74 ACVR1 (0.46) PARP1SMN1; SMN2PDPK1CA12ALOX15

Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.

Patent provenance — the patents this molecule appears in, and who filed them

Appears in 17568 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-121226265-B Acylhydrazone compound containing quinazolinone fragment, and preparation method and application thereof BOZHOU UNIVERSITY (CN) 2026-05-26 CN claimed
CN-122059885-A Process for preparing quinazolinone derivatives 宁夏医科大学 2026-05-19 CN claimed
US-12629683-B2 Oligonucleotide encoded chemical libraries Plexium, Inc. (US) 2026-05-19 US claimed
CN-122010957-A Preparation method of fullerene pyrrolidine quinazolinone 湖北大学 2026-05-12 CN claimed
EP-4263518-B1 NEW QUINAZOLINONE DERIVATIVES HOFFMANN LA ROCHE (CH) 2026-04-01 EP claimed
EP-4695308-A1 ENGINEERED ANTIBODIES AND USES THEREOF Invitrogen BioServices India Private Limited (IN) 2026-02-18 EP claimed
EP-4653437-A2 NOVEL HETEROCYCLIC COMPOUNDS Innovo Therapeutics Inc. (KR) 2025-11-26 EP claimed
US-12465559-B2 Fluorescent curable dental composition and cured product thereof KURARAY NORITAKE DENTAL INC. (JP) 2025-11-11 US claimed
US-20250325022-A1 AEROSOL GENERATING SYSTEM, OPERATING METHOD THEREOF, AND AEROSOL GENERATING ARTICLE THEREFOR KT&G CORPORATION (KR) 2025-10-23 US claimed
EP-4611899-A1 ALLOSTERIC CHROMENONE INHIBITORS OF PHOSPHOINOSITIDE 3-KINASE (PI3K) FOR THE TREATMENT OF DISEASE Petra Pharma Corporation (US) 2025-09-10 EP claimed
US-4202895-A 1-Polyhaloalkyl-2(1H)-quinazolinone derivatives SUMITOMO CHEMICAL COMPANY, LIMITED (JP) 1980-05-13 US claimed
US-4183931-A SEDATIVE-HYPNOTICS, ANTICONVULSANTS, CENTRAL NERVOUS SYSTEM DEPRESSANTS RESEARCH CORPORATION (US) 1980-01-15 US claimed
WO-1980000040-A1 ORGANIC HALOGEN COMPOUNDS USED IN DIRECT POSITIVE EMULSIONS DU PONT (US) 1980-01-10 WO claimed
US-4113637-A DISPERSANTS, DETERGENTS INSTITUT FRANCAIS DU PETROLE (FR) 1978-09-12 US claimed
US-4099002-A QUINAZOLINONE DERIVATIVES AND A PROCESS FOR PRODUCTION THEREOF SUMITOMO CHEMICAL COMPANY, LIMITED (JP) 1978-07-04 US claimed
US-4067868-A Production of quinazolinone compounds SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1978-01-10 US claimed
US-4054658-A SEDATIVES, HYPNOSIS WILLIAM H. RORER, INC. (US) 1977-10-18 US claimed
US-3980645-A Fused quinazolinones and a process for production thereof SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1976-09-14 US claimed
US-3970654-A Antiviral 2(1H)-quinazolinone derivatives SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1976-07-20 US claimed
US-3953446-A Process for preparing quinazolines SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1976-04-27 US claimed