1,2,3,4-Tetrahydroisoquinoline

1,2,3,4-Tetrahydroisoquinoline

SCHEMBL19085

c1ccc2c(c1)CCNC2

nearest known ligand 1.00 ✓ in ChEMBL — recovers established targets

Full drug profile on Sugi Atlas →

Predicted protein targets (top 11)

geneUniProtsupporting neighboursconfidence
PNMT P11086 5/20 1.00
CD44 P16070 2/20 1.00
MAOB P27338 1/20 1.00
HTR2C P28335 1/20 0.75
ADRA2A P08913 1/20 0.54
ADRA2B P18089 1/20 0.54
ADRA2C P18825 1/20 0.54
ASIC3 Q9UHC3 1/20 0.54
PRCP P42785 1/20 0.52
DRD2 P14416 1/20 0.50
DRD3 P35462 1/20 0.50

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
1,2,3,4-Tetrahydroisoquinoline SCHEMBL29360217 1.00 PNMT (1.00) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL28236302 1.00 PNMT (1.00) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL11213530 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL20524019 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL987515 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL4243903 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL5411332 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL2082936 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
1,2,3,4-Tetrahydroisoquinoline SCHEMBL6635293 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A
SCHEMBL11838922 0.97 PNMT (0.95) PNMTCD44MAOBHTR2CADRA2A

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 41762 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-20260146035-A1 FUSED BICYCLIC COMPOUNDS AND THEIR USE AS MER AND AXL INHIBITORS DONG-A ST CO., LTD. (KR) 2026-05-28 US claimed
CN-116867788-B 4-Aminoquinazoline compounds ASTELLAS PHARMA INC. (JP) 2026-05-26 CN claimed
WO-2026097209-A1 USE OF TETRAHYDROISOQUINOLINE COMPOUND IN PREPARATION OF ANTI-LEUKEMIA DRUG 中新生物医药(深圳)有限公司 2026-05-15 WO claimed
WO-2026097783-A1 USE OF TETRAHYDROISOQUINOLINE COMPOUND IN PREPARATION OF ANTI-LEUKEMIA DRUG 中新生物医药(深圳)有限公司 2026-05-15 WO claimed
EP-4741375-A1 SULFONYLUREA DERIVATIVES AND THEIR USE FOR THE TREATMENT OF CANCER Qubit Pharmaceuticals (FR) 2026-05-13 EP claimed
CN-122005558-A Compound serving as AKR1C3 inhibitor as well as preparation method and application thereof 广州医科大学 2026-05-12 CN claimed
EP-4722187-A1 BUILDING BLOCK FOR TRIFLUOROALKYLATION AND TRIFLUOROALKYLATION METHOD USING SAME Seoul National University Hospital (KR) 2026-04-08 EP claimed
CN-121574041-A Dual-band bianthracene photocatalyst and preparation method and application thereof 江西初源新材料有限公司 2026-02-27 CN claimed
US-20260048156-A1 FAP-TARGETING PHARMACEUTICAL PRODUCT FOR THERAPY AND DIAGNOSIS OF CANCERS Atoms for Cure GmbH (DE) 2026-02-19 US claimed
EP-4695234-A1 PYRIDO[3,4-D]PYRIMIDINONE AND PYRIMIDINE ARYL HYDROCARBON RECEPTOR ANTAGONISTS AND USES THEREOF Allianthera (Suzhou) Biopharmaceutical Co., Ltd. (CN) 2026-02-18 EP claimed
US-4066764-A 1,4-Dihydro-2H-isoquinoline derivatives HOECHST AKTIENGESELLSCHAFT (DT) 1978-01-03 US claimed
US-4062961-A SUBSTITUTED 1,2,3,4-TETRAHYDROISOQUINOLINES SMITHKLINE CORPORATION (US) 1977-12-13 US claimed
US-4062960-A Hypolipidemic alkenesulfonamides PFIZER INC. (US) 1977-12-13 US claimed
US-4049655-A 1,4-Dihydro-2H-isoquinoline derivatives HOECHST AKTIENGESELLSCHAFT (DT) 1977-09-20 US claimed
US-4029650-A VASODILATORS DELALANDE S. A. (FR) 1977-06-14 US claimed
US-4021400-A SECONDARY AMINES E. I. DU PONT DE NEMOURS AND COMPANY (US) 1977-05-03 US claimed
US-3988339-A 7 OR 8-SUBSTITUTED 1,2,3,4-TETRAHYDRO-ISOQUINOLINE SMITHKLINE CORPORATION (US) 1976-10-26 US claimed
US-3980655-A Basically substituted 1,4-dihydro-2H-isoquinoline derivatives and process for preparing them HOECHST AKTIENGESELLSCHAFT (DT) 1976-09-14 US claimed
US-3978063-A 1,2,3,4-Tetrahydroisoquinoline derivatives and the preparation thereof FUJISAWA PHARMACEUTICAL CO., LTD. (JA) 1976-08-31 US claimed
US-3963725-A 1,2,3,4-Tetrahydroisoquinoline derivatives and the preparation thereof FUJISAWA PHARMACEUTICAL CO., LTD. (JA) 1976-06-15 US claimed