⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.
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.
| Compound | similarity | top predicted | shared targets | |
|---|---|---|---|---|
| Furan-2(5H)-One SCHEMBL31686414 | 0.97 | — | — | |
| Furan-2(5H)-One SCHEMBL10393991 | 0.87 | CA1 (0.76) | — | |
| Furan-2(5H)-One SCHEMBL5619697 | 0.85 | CA1 (0.73) | — | |
| Furan-2(5H)-One SCHEMBL31143324 | 0.83 | CA1 (0.70) | — | |
| Furan-2(5H)-One SCHEMBL1467359 | 0.82 | CA1 (0.67) | — | |
| Furan-2(5H)-One SCHEMBL10531504 | 0.82 | CA1 (0.67) | — | |
| Furan-2(5H)-One SCHEMBL16225667 | 0.82 | CA1 (0.67) | — | |
| SCHEMBL16536745 | 0.80 | — | — | |
| SCHEMBL31137750 | 0.78 | — | — | |
| Furan-2(5H)-One SCHEMBL15901599 | 0.77 | CA1 (0.59) | — |
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 5430 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| CN-120208954-B | 4- { [3- (1H-pyrrolo [2,3-b ] pyridine-1-methyl) phenyl ] amino } furan-2 (5H) -one compound, preparation and application thereof | 沈阳药科大学 | 2026-05-19 | — | — | CN | claimed |
| CN-122030424-A | Antifouling nano rare earth material, nano rare earth material antifouling agent, and preparation method and application thereof | 南方海洋科学与工程广东省实验室(湛江) | 2026-05-15 | — | — | CN | claimed |
| US-20260125721-A1 | ACIDOPHILIC FUSARIUM OXYSPORUM STRAINS, METHODS OF THEIR PRODUCTION AND METHODS OF THEIR USE | THE FYNDER GROUP, INC. | 2026-05-07 | — | — | US | claimed |
| US-20260117088-A1 | MONOMER MIXTURE COMPRISING AN N-VINYL MONOMER AND A BUTENOLIDE MONOMER AND COATING COMPOSITIONS DERIVED THEREFROM | AKZO NOBEL COATINGS INT BV (NL) | 2026-04-30 | — | — | US | claimed |
| US-20260109693-A1 | BUTENOLIDE COMPOUNDS CONTAINING THIAZOLIDINONE STRUCTURE AS WELL AS PREPARATION METHOD THEREFOR AND USE THEREOF | UNIV CHINA AGRICULTURAL (CN) | 2026-04-23 | — | — | US | claimed |
| US-12601929-B2 | Contact lens | COOPERVISION INTERNATIONAL LIMITED (GB) | 2026-04-14 | — | — | US | claimed |
| US-20260096574-A1 | CHOCOLATE REPLICAS PRODUCED FROM INDIVIDUAL COMPONENTS | VOYAGE FOODS INC (US) | 2026-04-09 | — | — | US | claimed |
| US-12577428-B2 | Binder polymer obtainable by copolymerizing a monomer mixture comprising a vinyl monomer and a butenolide monomer | AKZO NOBEL COATINGS INTERNATIONAL B.V. (NL) | 2026-03-17 | — | — | US | claimed |
| EP-4536001-B1 | AGROCHEMICAL FORMULATIONS COMPRISING CRYSTALLINE FORM A OF 4-[(6-CHLORO-3-PYRIDYLMETHYL)(2,2-DIFLUOROETHYL)AMINO]FURAN-2(5H)-ONE | BAYER AG (DE) | 2026-03-11 | — | — | EP | claimed |
| WO-2026043908-A1 | COMPOSITIONS AND METHODS TO IMPROVE SEQUESTRATION OF MYCOTOXINS AND THEIR USE IN DETOXIFICATION OF ANIMAL FEED AND ANIMAL PRODUCTION SYSTEMS | ALLTECH, INC. (US) | 2026-02-26 | — | — | WO | claimed |
| US-4356310-A | OXIDATION OF BUTADIENE, BORON-MOLYBDENUM-TITANIUM OXIDE CATALYST | NATIONAL DISTILLERS & CHEMICAL CORP. (US) | 1982-10-26 | — | — | US | claimed |
| EP-0001089-B1 | PROCESS FOR THE PREPARATION OF HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES, SELECTED HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES | BAYER AG (DE) | 1981-10-21 | — | — | EP | claimed |
| EP-0023454-A2 | Process for the preparation of 6,6-dimethyl-4-hydroxy-3-oxabicyclo(3.1.0)hexan-2-one and its ethers of all possible stereoisomeric forms | ROUSSEL-UCLAF (FR) | 1981-02-04 | — | — | EP | claimed |
| US-4214092-A | Rearrangement of acyloxy furans and thiophenes prepared from butenolides | IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. (US) | 1980-07-22 | — | — | US | claimed |
| US-4195026-A | REARRANGEMENT | IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. (US) | 1980-03-25 | — | — | US | claimed |
| EP-0001089-A1 | Process for the preparation of halogenovinyl-substituted 2-tetrahydrofuranones, selected halogenovinyl-substituted 2-tetrahydrofuranones | BAYER AG (DE) | 1979-03-21 | — | — | EP | claimed |
| US-4145215-A | PHOTOCONDUCTIVE PIGMENTS | EASTMAN KODAK COMPANY (US) | 1979-03-20 | — | — | US | claimed |
| US-4119642-A | ACETYLENIC ALCOHOLS, MERCURIC HALIDE | IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. (US) | 1978-10-10 | — | — | US | claimed |
| US-4010170-A | Butenolide synthesis via carbonylation of vinylmercurials | IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. (US) | 1977-03-01 | — | — | US | claimed |
| US-3986871-A | CHARGED PARTICLE MODULATOR DEVICE AND IMPROVED IMAGING METHODS FOR USE THEREOF | ADDRESSOGRAPH-MULTIGRAPH CORPORATION (US) | 1976-10-19 | — | — | US | claimed |