Ar-42

Ar-42

SCHEMBL2348844

CC(C)[C@H](C(=O)Nc1ccc(C(=O)NO)cc1)c1ccccc1

nearest known ligand 1.00 ✓ in ChEMBL — recovers established targets

Full drug profile on Sugi Atlas →

Predicted protein targets (top 15)

geneUniProtsupporting neighboursconfidence
HDAC1 Q13547 17/20 1.00
HDAC3 O15379 10/20 1.00
HDAC8 Q9BY41 10/20 1.00
HDAC6 Q9UBN7 10/20 1.00
HDAC4 P56524 8/20 1.00
HDAC2 Q92769 8/20 1.00
HDAC7 Q8WUI4 6/20 1.00
HDAC10 Q969S8 6/20 1.00
HDAC11 Q96DB2 6/20 1.00
HDAC9 Q9UKV0 6/20 1.00
HDAC5 Q9UQL6 6/20 1.00
NCOR2 Q9Y618 2/20 0.61
POLB P06746 1/20 0.54
CYP3A4 P08684 1/20 0.54
CYP2C9 P11712 1/20 0.54

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
Ar-42 SCHEMBL675409 1.00 HDAC1 (1.00) HDAC1HDAC3HDAC8HDAC6HDAC4
Ar-42 SCHEMBL31140841 1.00 HDAC1 (1.00) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL676825 0.89 HDAC1 (0.80) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL3816907 0.87 HDAC1 (0.76) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL2018982 0.86 HDAC1 (0.76) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL14933783 0.85 HDAC1 (0.74) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL675363 0.85 HDAC1 (0.74) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL12681975 0.85 HDAC1 (0.72) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL10343708 0.85 HDAC1 (0.72) HDAC1HDAC3HDAC8HDAC6HDAC4
SCHEMBL28317430 0.84 HDAC1 (0.72) HDAC1HDAC3HDAC8HDAC6HDAC4

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 2306 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-116209439-B Cereblon protein modulators Saint Jude Children's Research Hospital Ltd. (US) 2026-05-26 CN claimed
WO-2026107052-A1 COMBINATION TREATMENTS USING EPIGENETIC INHIBITION AND SYNGRI-MEDIATED FRATAXIN EXPRESSION ST. JUDE CHILDREN'S RESEARCH HOSPITAL, INC. (US) 2026-05-21 WO claimed
US-20260125650-A1 METHODS AND COMPOSITIONS FOR GENERATING HEPATOCYTES TRAILHEAD BIOSYSTEMS INC (US) 2026-05-07 US claimed
EP-3985750-B1 LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME SAMSUNG DISPLAY CO LTD (KR) 2026-04-29 EP claimed
US-12615960-B2 Organic light-emitting device SFC CO., LTD (KR) 2026-04-28 US claimed
US-20260108619-A1 CONJUGATION LINKERS, CELL BINDING MOLECULE-DRUG CONJUGATES CONTAINING THE LINKERS, METHODS OF MAKING AND USES SUCH CONJUGATES WITH THE LINKERS HANGZHOU DAC BIOTECH CO., LTD. (CN) 2026-04-23 US claimed
EP-4728537-A1 SYNTHESIS AND INTEGRATION OF NOBLE GAS RADIOISOTOPE POWER SYSTEMS The Charles Stark Draper Laboratory, Inc. (US) 2026-04-22 EP claimed
EP-4720316-A2 NON-VIRAL CELL ENGINEERING Arsenal Biosciences, Inc. (US) 2026-04-08 EP claimed
US-20260096340-A1 An Electroluminescent Device Comprising an Anode Layer, a Cathode Layer, a First Emission Layer, a Hole Injection Layer and a First Hole Transport Layer that Comprises a Compound Containing a Metal NOVALED GMBH (DE) 2026-04-02 US claimed
US-12576124-B2 Formulation of a conjugate of a tubulysin analog to a cell-binding molecule HANGZHOU DAC BIOTECH CO., LTD (CN) 2026-03-17 US claimed
US-20170095436-A1 METHODS FOR TREATING MENDELIAN DISORDERS OF THE EPIGENETIC MACHINERY THE JOHNS HOPKINS UNIVERSITY (US) 2017-04-06 US claimed
WO-2017048193-A1 DERIVATION OF LIVER ORGANOIDS FROM HUMAN PLURIPOTENT STEM CELLS AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (A*STAR) (SG) 2017-03-23 WO claimed
US-20170056336-A1 CO-TARGETING ANDROGEN RECEPTOR SPLICE VARIANTS AND MTOR SIGNALING PATHWAY FOR THE TREATMENT OF CASTRATION-RESISTANT PROSTATE CANCER NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT 2017-03-02 US claimed
US-20160346287-A1 METHOD OF TREATING VIRAL INFECTIONS EPIPHANY BIOSCIENCES, INC. 2016-12-01 US claimed
US-20160068466-A1 ESTER DERIVATIVES OF ANDROGEN RECEPTOR MODULATORS AND METHODS FOR THEIR USE THE UNIVERSITY OF BRITISH COLUMBIA (CA) 2016-03-10 US claimed
WO-2016030345-A1 PRODUCTS FOR THE TREATMENT AND PREVENTION OF NEUROLOGICAL DISORDERS COURSING WITH A COGNITION DEFICIT OR IMPAIRMENT, AND OF NEURODEGENERATIVE DISEASES FUNDACIÓN PARA LA INVESTIGACIÓN MÉDICA APLICADA (ES) 2016-03-03 WO claimed
WO-2015184260-A2 METHODS FOR TREATING MENDELIAN DISORDERS OF THE EPIGENETIC MACHINERY THE JOHNS HOPKINS UNIVERSITY (US) 2015-12-03 WO claimed
WO-2015184279-A1 COMPOSITIONS AND METHODS FOR TREATING KABUKI SYNDROME AND RELATED DISORDERS THE JOHNS HOPKINS UNIVERSITY (US) 2015-12-03 WO claimed
US-9173939-B2 Ester derivatives of androgen receptor modulators and methods for their use THE UNIVERSITY OF BRITISH COLUMBIA (CA) 2015-11-03 US claimed
US-20150050241-A1 METHOD OF TREATING VIRAL INFECTIONS EPIPHANY BIOSCIENCES, INC. 2015-02-19 US claimed