Papaverine

Papaverine

SCHEMBL34702

COc1ccc(Cc2nccc3cc(OC)c(OC)cc23)cc1OC

nearest known ligand 1.00 ✓ in ChEMBL — recovers established targets

Full drug profile on Sugi Atlas →

Predicted protein targets (top 20)

geneUniProtsupporting neighboursconfidence
PDE10A Q9Y233 14/20 1.00
PDE3A Q14432 10/20 1.00
PDE3B Q13370 9/20 1.00
SMN1; SMN2 Q16637 5/20 1.00
CYP3A4 P08684 4/20 1.00
MAPK1 P28482 4/20 1.00
LMNA P02545 3/20 1.00
USP2 O75604 2/20 1.00
ALDH1A1 P00352 2/20 1.00
HIF1A Q16665 2/20 1.00
CYP1A2 P05177 2/20 1.00
CYP2C9 P11712 2/20 1.00
TSHR P16473 2/20 1.00
PDE4A P27815 2/20 1.00
KCNH2 Q12809 2/20 1.00
PDE4D Q08499 2/20 1.00
PDE2A O00408 1/20 1.00
ABCC4 O15439 1/20 1.00
PDE5A O76074 1/20 1.00
ABCB11 O95342 1/20 1.00

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
Papaverine SCHEMBL29387160 1.00 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL9551009 1.00 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL29360983 1.00 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL28169527 0.99 PDE10A (0.97) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL29696479 0.99 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL8691148 0.99 PDE10A (0.97) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL677440 0.99 PDE10A (0.97) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL29356374 0.99 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL9614479 0.99 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4
Papaverine SCHEMBL5500363 0.99 PDE10A (1.00) PDE10APDE3APDE3BSMN1; SMN2CYP3A4

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 23791 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-122094963-A Cardioprotective lipids and methods of use 2026-05-26 CN claimed
CN-224286716-U Papaverine compound Pen for quickly detecting objects SHANDONG UNIVERSITY OF POLITICAL SCIENCE AND LAW (CN) 2026-05-26 CN claimed
CN-122051257-A Preparation method and application of oxygen reduction electrocatalyst based on natural polyphenol 天津科技大学 2026-05-15 CN claimed
US-12605345-B2 Transdermal drug delivery system BioPhysics Pharma, Inc. (US) 2026-04-21 US claimed
US-20260076872-A1 POLYMER VIALS WITH SUBSTANTIALLY FLAT BOTTOMS AND INJECTION STRETCH BLOW MOLDING METHODS FOR MAKING THE SAME SIO2 MEDICAL PRODUCTS LLC (US) 2026-03-19 US claimed
US-20260076969-A1 METHODS AND COMPOSITIONS FOR THE TREATMENT OF CANCER BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (US) 2026-03-19 US claimed
US-20250388939-A1 RECOMBINANT HOST CELLS WITH IMPROVED PRODUCTION OF L-DOPA, DOPAMINE, S-NOROCLAURINE OR DERIVATIVES THEREOF RIVER STONE BIOTECH APS (DK) 2025-12-25 US claimed
US-12427532-B2 Magnetic levitation system PRESIDENT AND FELLOWS OF HARVARD COLLEGE (US) 2025-09-30 US claimed
US-20250268841-A1 Trans-Epithelial Membrane Drug Delivery System Masiz, John J. (US) 2025-08-28 US claimed
US-20250271426-A1 REDUCTION OF BITTER TASTE OF ACTIVE PHARMACEUTICAL INGREDIENTS AND RELATED ASSAYS AND SCREENING METHODS FIRMENICH INCORPORATED (US) 2025-08-28 US claimed
EP-0036138-A2 Composition of matter for topical application comprising a bio-affecting agent and N,N-diethyl-m-toluamide MERCK & CO. INC. (US) 1981-09-23 EP claimed
US-4235870-A COMPRISING A HIGHER ALIPHATIC ALCOHOL AND A HYDRATED HYDROXYALKYL CELLULOSE SYNGERGISTICS (US) 1980-11-25 US claimed
US-4147789-A ANTIPARKINSON AGENTS SANDOZ LTD. (CH) 1979-04-03 US claimed
US-4088756-A TREATING PSORIASIS, DERMATITIS WITH ADRENERGIC AGENTS AND HYPOGLYCEMIC AGENTS THE REGENTS OF THE UNIVERSITY OF MICHIGAN (US) 1978-05-09 US claimed
US-4055648-A SMOOTH MUSCLE RELAXANTS, VASCULAR DISORDERS CHOAY S.A. (FR) 1977-10-25 US claimed
US-4018927-A Treatment of proliferating skin diseases with papaverine alkaloids THE REGENTS OF THE UNIVERSITY OF MICHIGAN (US) 1977-04-19 US claimed
US-3993072-A Microporous drug delivery device ALZA CORPORATION (US) 1976-11-23 US claimed
US-3968215-A PAPAVERINE OR SALTS CHOAY S.A. (FR) 1976-07-06 US claimed
US-3966923-A VASODILATION PIERRE FABRE S.A. (FR) 1976-06-29 US claimed
US-3965256-A ALCOHOL AND HYDRATED HYDROXYALKYL CELLULOSE SYNERGISTICS (US) 1976-06-22 US claimed