SCHEMBL4000390

SCHEMBL4000390

O=c1cc(-c2ccncc2)nc2n1CCCN2CCCc1c[nH]c2ccccc12

nearest known ligand 0.51

Predicted protein targets (top 12)

geneUniProtsupporting neighboursconfidence
GPR18 Q14330 3/20 0.51
ADORA2A P29274 1/20 0.51
ADORA2B P29275 1/20 0.51
HCRTR1 O43613 2/20 0.47
HCRTR2 O43614 2/20 0.47
HTR1A P08908 7/20 0.45
RAB9A P51151 1/20 0.45
SMN1; SMN2 Q16637 1/20 0.45
HTR2A P28223 1/20 0.43
MAPT P10636 1/20 0.42
TDP1 Q9NUW8 1/20 0.42
ALDH1A1 P00352 1/20 0.40

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
SCHEMBL4319773 0.95 GPR18 (0.57) GPR18ADORA2AADORA2BHCRTR1HCRTR2
SCHEMBL3997465 0.95 GPR18 (0.50) GPR18ADORA2AADORA2BHCRTR1HCRTR2
SCHEMBL3998746 0.89 GPR18 (0.56) GPR18ADORA2AADORA2BHCRTR1HCRTR2
SCHEMBL4004219 0.83 GSK3B (0.44) ADORA2A
SCHEMBL4004221 0.82 GSK3B (0.44) ADORA2AALDH1A1
SCHEMBL4006674 0.82 ADORA2A (0.43) ADORA2A
SCHEMBL4001235 0.82 GSK3B (0.55) ADORA2AADORA2BMAPTTDP1ALDH1A1
SCHEMBL4005923 0.80 MAOB (0.49) ADORA2AHTR1AHTR2A
SCHEMBL4002596 0.79 HDAC3 (0.41) GPR18ADORA2AADORA2B
SCHEMBL4001336 0.79 GSK3B (0.54) ADORA2AADORA2BMAPTTDP1ALDH1A1

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

Claimed or disclosed in 29 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-7566720-B2 2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a] pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo[1,2-a] pyrimidin-5(1H)one derivatives SANOFI-AVENTIS (FR) 2009-07-28 US claimed
US-20080027078-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-a] PYRIMIDIN-5(1H)ONE DERIVATIVES SANOFI-AVENTIS (FR) 2008-01-31 US claimed
US-20070225300-A1 HETEROARYL SUBSTITUTED 2-PYRIDINYL AND 2-PYRIMIDINYL -6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE DERIVATIVES SANOFI-AVENTIS (FR) 2007-09-27 US claimed
US-7232827-B2 Heteroaryl substituted 2-pyridinyl and 2-pyrimidinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one derivatives SANOFI-AVENTIS (FR) 2007-06-19 US claimed
US-20060014762-A1 2-Pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-A]pyrimidin-4-one and 7-pyridinyl-2,3-dihydoimidazo[1,2-A]pyrimidin-5(1H)one derivatives SANOFI-AVENTIS (FR) 2006-01-19 US claimed
US-6974819-B2 2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-2,3-dihydoimidazo{1,2-a}pyrimidin-5(1H)one derivatives SANOFI-AVENTIS (FR) 2005-12-13 US claimed
EP-1480983-B1 HETEROARYL SUBSTITUTED 2-PYRIDINYL AND 2-PYRIMIDINYL-6,7,8,9-TETRAHYDROPYDIMIDO[1,2-A]PYRIMIDIN-4-ONE DERIVATIVES SANOFI AVENTIS (FR) 2005-11-09 EP claimed
EP-1315731-B1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-A]PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-A]PYRIMIDIN-5(1H)ONE DERIVATIVES SANOFI SYNTHELABO (FR) 2004-06-16 EP claimed
US-20040087598-A1 2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-1,3-dihydoimidazo{1,2-a}pyrimidin-5(1h)one derivatives SANOFI (FR) 2004-05-06 US claimed
EP-1340758-A1 Heteroaryl substituted 2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo[1,2-a]pyrimidin-5(1H)one derivatives SANOFI-SYNTHELABO (FR) 2003-09-03 EP claimed
EP-1315731-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-A]PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-A]PYRIMIDIN-5(1H)ONE DERIVATIVES SANOFI-SYNTHELABO (FR) 2003-06-04 EP claimed
WO-2002018386-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a]PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-a]PYRIMIDIN-5(1H)ONE DERIVATI VES SANOFI-SYNTHELABO (FR) 2002-03-07 WO claimed
EP-1184383-A1 9-[Alkyl], 9-[(heteroaryl)alkyl] and 9-[(aryl)alkyl]-2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one derivatives SANOFI-SYNTHELABO (FR) 2002-03-06 EP claimed
US-7566720-B2 2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a] pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo[1,2-a] pyrimidin-5(1H)one derivatives SANOFI-AVENTIS (FR) 2009-07-28 US disclosed
US-7465737-B2 Heteroaryl substituted 2-pyridinyl and 2-pyrimidinyl -6,7,8,9-tetrahydropyrimido[1,2-a] pyrimidin-4-one derivatives SANOFI-AVENTIS (FR) 2008-12-16 US disclosed
US-20080027078-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-a] PYRIMIDIN-5(1H)ONE DERIVATIVES SANOFI-AVENTIS (FR) 2008-01-31 US disclosed
EP-1340758-A1 Heteroaryl substituted 2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo[1,2-a]pyrimidin-5(1H)one derivatives SANOFI-SYNTHELABO (FR) 2003-09-03 EP disclosed
EP-1315731-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-A]PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-A]PYRIMIDIN-5(1H)ONE DERIVATIVES SANOFI-SYNTHELABO (FR) 2003-06-04 EP disclosed
WO-2002018386-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a]PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-a]PYRIMIDIN-5(1H)ONE DERIVATI VES SANOFI-SYNTHELABO (FR) 2002-03-07 WO disclosed
EP-1184383-A1 9-[Alkyl], 9-[(heteroaryl)alkyl] and 9-[(aryl)alkyl]-2-pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one derivatives SANOFI-SYNTHELABO (FR) 2002-03-06 EP disclosed

Patent text — is the patent's own abstract consistent with the prediction?

For each of this compound's patents that has machine-readable text (4 of them — usually the abstract, not the full specification), we ask MedCPT which protein the text reads most about, and where the chemistry-predicted target lands among 4885 human targets. A high rank means the patent's own wording is consistent with the prediction — a weak, independent signal, not proof of activity.

PatentTitleText reads most aboutPredicted target · text-rank
US-20040087598-A1 2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-1,3-dihydoimidazo{1,2-a}pyrimidin-5(1h)one derivatives CBR1, DPYD, SULT1E1 GPR18 967/4885ADORA2A 2005/4885ADORA2B 2082/4885
US-20070225300-A1 HETEROARYL SUBSTITUTED 2-PYRIDINYL AND 2-PYRIMIDINYL -6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE DERIVATIVES CDK5, CDK5R1, PSEN2 GPR18 3206/4885ADORA2A 678/4885ADORA2B 1489/4885
US-20060014762-A1 2-Pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-A]pyrimidin-4-one and 7-pyridinyl-2,3-dihydoimidazo[1,2-A]pyrimidin-5(1H)one derivatives DPYD, CBR1, TXN2 GPR18 665/4885ADORA2A 1951/4885ADORA2B 1848/4885
US-20080027078-A1 2-PYRIDINYL-6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE AND 7-PYRIDINYL-2,3-DIHYDROIMIDAZO[1,2-a] PYRIMIDIN-5(1H)ONE DERIVATIVES PSEN2, PSEN1, GSK3A GPR18 1657/4885ADORA2A 503/4885ADORA2B 1188/4885

“Text reads most about” is the patent abstract's nearest protein in MedCPT space (background-debiased). Only ~1.4% of patents have machine-readable text, so most compounds won't have this panel.