Purpurin

Purpurin

SCHEMBL29429206

O=C1c2ccccc2C(=O)c2c(O)c(O)cc(O)c21

nearest known ligand 1.00 ✓ in ChEMBL — recovers established targets

Full drug profile on Sugi Atlas →

Predicted protein targets (top 20)

geneUniProtsupporting neighboursconfidence
▸ MEN1 O00255 4/20 1.00
▸ KMT2A Q03164 4/20 1.00
▸ MAPT P10636 3/20 1.00
▸ MAOA P21397 3/20 1.00
▸ HPGD P15428 3/20 1.00
▸ KDM4E B2RXH2 2/20 1.00
▸ ALDH1A1 P00352 2/20 1.00
▸ CYP3A4 P08684 2/20 1.00
▸ ALOX15 P16050 2/20 1.00
▸ ALOX12 P18054 2/20 1.00
▸ MAPK1 P28482 2/20 1.00
▸ RECQL P46063 2/20 1.00
▸ DAPK1 P53355 2/20 1.00
▸ CYP1B1 Q16678 2/20 1.00
▸ HSD17B10 Q99714 2/20 1.00
▸ TDP1 Q9NUW8 2/20 1.00
▸ BRCA1 P38398 2/20 1.00
▸ TTR P02766 1/20 1.00
▸ CYP1A1 P04798 1/20 1.00
▸ HSPD1 P10809 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
Purpurin SCHEMBL33871 1.00 MEN1 (1.00) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL29539242 1.00 MEN1 (1.00) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL4970376 0.98 MEN1 (0.96) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL10574533 0.98 MEN1 (0.96) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL9856657 0.98 MEN1 (0.96) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL18840047 0.98 MEN1 (0.96) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL15205999 0.98 MEN1 (0.96) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL2808530 0.93 MAPT (0.86) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL10571410 0.91 MEN1 (0.83) MEN1KMT2AMAPTMAOAHPGD
Purpurin SCHEMBL11811844 0.91 MEN1 (0.83) MEN1KMT2AMAPTMAOAHPGD

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

Claimed or disclosed in 48 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.

PatentTitleAssigneePublishedPriorityFilingCountryStatus
EP-3807287-B1 METAL COMPLEXES OF BETA-DIKETONES AND/OR POLYPHENOLS BY GREEN CHEMISTRY, PREPARATION METHOD THEREOF, SUNSCREEN THEREOF, SKIN OR HAIR TONE CONCEALER THEREOF, HAIR DYEING THEREOF AND OTHER USES THEREOF RAMIREZ RIOS LILIANA PATRICIA (NL) 2025-07-30 — — EP claimed
EP-4591850-A1 COLOURING RAW MATERIAL FROM PARTICULAR PLANTS BY A METHOD USING A PARTICULAR EXTRACTION AND A PARTICULAR COATING Le Rouge Français (FR) 2025-07-30 — — EP claimed
EP-3990036-B1 CITRIC ACID COATED WOUND DRESSING COMPOSITIONS AND METHODS OF MANUFACTURE KCI LICENSING INC (US) 2023-08-23 — — EP claimed
US-20230192692-A1 MACROCYCLIC AND CAGE-LIKE MOLECULE BASED ON BIPHEN[n]ARENE AND DERIVATIVE, SYNTHESIS METHOD AND USE THEREOF TIANJIN NORMAL UNIVERSITY (CN) 2023-06-22 — — US claimed
CN-114133380-B Purpurin derivative electrochromism and electroluminescent photochromic material, and preparation method and application thereof 华南理工大学 2022-12-16 — — CN claimed
EP-3799587-B1 PRINTED GLASS, METHODS AND USES THEREOF DISSIPATION DESIGN E INOVACAO LDA (PT) 2022-04-13 — — EP claimed
CN-114133380-A Purpurin derivative electrochromism and electroluminescent photochromic material, and preparation method and application thereof 华南理工大学 2022-03-04 — — CN claimed
CN-113985674-A Preparation method of electrochromic radiation refrigerating device 南通聚仁新材料科技有限公司 2022-01-28 — — CN claimed
EP-3148345-B1 METHOD FOR REFINING LIPID PHASES, AND USE DREI LILIEN PVG GMBH&CO KG (DE) 2026-04-29 — — EP disclosed
EP-4720196-A1 PURPURIN ANALOGS FOR USE IN PHOTODYNAMIC THERAPY RMW Cho Group Limited (HK) 2026-04-08 — — EP disclosed
EP-3740187-B1 INSTANTANEOUS NATURAL COLORANTS AND PROCESSES OF MAKING THE SAME MENESES DA SILVA EDNA (FR) 2025-12-10 — — EP disclosed
EP-4591850-A1 COLOURING RAW MATERIAL FROM PARTICULAR PLANTS BY A METHOD USING A PARTICULAR EXTRACTION AND A PARTICULAR COATING Le Rouge Français (FR) 2025-07-30 — — EP disclosed
US-20250158063-A1 ELECTRODE MATERIALS AND PROCESSES FOR THEIR PREPARATION HYDRO-QUéBEC (CA) 2025-05-15 — — US disclosed
EP-4532498-A1 HETEROCYCLIC COMPOUNDS FOR THE PREVENTION AND THERAPY OF CIRCADIAN RHYTHM DISORDERS Univerzita Palackého v Olomouci (CZ) 2025-04-09 — — EP disclosed
WO-2022097105-A1 BURN OINTMENT USING HERBAL COMPOUNDS TO REPAIR A VARIETY OF INFECTIOUS WOUNDS MOHAMMADI HASAN (IR) 2022-05-12 — — WO disclosed
CN-114464293-A Sensory stimulation cognitive disorder rehabilitation training system 中科数字健康科学研究院(南京)有限公司 2022-05-10 — — CN disclosed
EP-3980132-A1 NOVEL HAIR DYEING COMPOSITION Di Visco (FR) 2022-04-13 — — EP disclosed
CN-114262690-A Clonal strains of attenuated vaccinia virus and methods of use thereof 吉恩勒克斯公司 2022-04-01 — — CN disclosed
CN-114133380-A Purpurin derivative electrochromism and electroluminescent photochromic material, and preparation method and application thereof 华南理工大学 2022-03-04 — — CN disclosed
CN-114080218-A Novel hair dyeing composition 迪维思科 2022-02-22 — — CN disclosed

Patent text — is the patent's own abstract consistent with the prediction?

For each of this compound's patents that has machine-readable text (1 of them — usually the abstract, not the full specification), we ask MedCPT which protein the text reads most about, and where the chemistry-predicted target lands among 4885 human targets. A high rank means the patent's own wording is consistent with the prediction — a weak, independent signal, not proof of activity.

PatentTitleText reads most aboutPredicted target · text-rank
US-20230192692-A1 MACROCYCLIC AND CAGE-LIKE MOLECULE BASED ON BIPHEN[n]ARENE AND DERIVATIVE, SYNTHESIS METHOD AND USE THEREOF TPMT, NUDT1, PNP MEN1 4771/4885KMT2A 1176/4885MAPT 3256/4885

“Text reads most about” is the patent abstract's nearest protein in MedCPT space (background-debiased). Only ~1.4% of patents have machine-readable text, so most compounds won't have this panel.

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