Cyclopentanone

Cyclopentanone

SCHEMBL19364

O=C1CCCC1

nearest known ligand 0.00

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⚠ 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.

Compoundsimilaritytop predictedshared targets
Cyclopentanone SCHEMBL1332555 1.00
Cyclopentanone SCHEMBL57700 1.00
Cyclopentanone SCHEMBL27612284 1.00
SCHEMBL1262325 1.00 TRIM24 (1.00)
Cyclopentanone SCHEMBL2797344 1.00 TRIM24 (1.00)
SCHEMBL25380098 0.95 TRIM24 (1.00)
Cyclopentanone SCHEMBL3109551 0.95
Cyclopentanone SCHEMBL11529014 0.95 TRIM24 (0.91)
Cyclopentanone SCHEMBL3693524 0.95
SCHEMBL112034 0.95 TRIM24 (1.00)

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 94470 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-20260146159-A1 Random Copolymer HighRI Optics, Inc. (US) 2026-05-28 US claimed
US-20260147279-A1 DEVELOPER COMPOSITION FOR METAL-CONTAINING PHOTORESIST, AND METHOD OF FORMING PATTERNS INCLUDING DEVELOPING METHOD USING THE COMPOSITION SAMSUNG SDI CO., LTD. (KR) 2026-05-28 US claimed
EP-4747627-A1 METHODS AND SYSTEMS FOR PREDICTIVE CLASSIFICATION BY MASS SPECTROMETRY AND TRAINED LARGE SPECTRAL MODELS Matterworks Inc (US) 2026-05-27 EP claimed
CN-122085600-A Negative photosensitive resin composition and preparation method and application thereof 2026-05-26 CN claimed
US-12638768-B2 Method for producing actinic ray-sensitive or radiation-sensitive resin composition, pattern formation method, and method for manufacturing electronic device FUJIFILM CORPORATION (JP) 2026-05-26 US claimed
CN-122071565-A Carbon dioxide-based polycarbonate-block-polyacrylate copolymer and preparation method and application thereof 中国石油化工股份有限公司 2026-05-22 CN claimed
US-20260139200-A1 COMPOSITIONS AND METHODS FOR VAPOR PHASE SURFACE MODIFICATION FUJIFILM ELECTRONIC MAT U S A INC (US) 2026-05-21 US claimed
WO-2026105418-A1 METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER 三菱瓦斯化学株式会社 2026-05-21 WO claimed
US-20260140450-A1 LIQUID CHEMICAL AND METHOD FOR PRODUCING LIQUID CHEMICAL FUJIFILM CORPORATION (JP) 2026-05-21 US claimed
EP-4105216-B1 DIHYDRONAPHTHYRIDINONE COMPOUND, AND PREPARATION METHOD THEREFOR AND MEDICAL USE THEREOF GENFLEET THERAPEUTICS SHANGHAI INC (CN) 2026-05-20 EP claimed
US-3953514-A Process for preparing cyclopentenone derivatives UBE INDUSTRIES, LTD. (JA) 1976-04-27 US claimed
US-3951754-A Method of inhibiting the thermopolymerization of isoprene and butadiene LIAKUMOVICH ALEXANDR GRIGORIEV 1976-04-20 US claimed
US-3951964-A Method for preparing azines PRODUITS CHIMIQUES UGINE KUHLMANN (FR) 1976-04-20 US claimed
US-3951876-A Odoriferous compositions containing certain cyclopentanone derivatives SOCIETE ANONYME DES ETABLISSEMENTS ROURE-BERTRAND FILS & JUSTIN DUPONT (FR) 1976-04-20 US claimed
US-3948902-A Method for preparing azines PRODUITS CHIMIQUES UGINE KUHLMANN (FR) 1976-04-06 US claimed
US-3943152-A Method for preparing azines PRODUITS CHIMIQUES UGINE KUHLMANN (FR) 1976-03-09 US claimed
US-3943132-A Process for the preparation of hydrazones PRODUITS CHIMIQUES UGINE KUHLMANN (FR) 1976-03-09 US claimed
US-3936584-A Formation of polyparabanic acid coatings and films by solvent treatment of powdered layer EXXON RESEARCH AND ENGINEERING COMPANY (US) 1976-02-03 US claimed
US-3935278-A MOLYBDENUM OR VANADIUM CONTAINING CATALYST ATLANTIC RICHFIELD COMPANY (US) 1976-01-27 US claimed
US-3933903-A Process for the preparation of cycloalkylalkane carboxylic acid AKZO N.V. (NL) 1976-01-20 US claimed