⚠ 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 | |
|---|---|---|---|---|
| SCHEMBL1174156 | 0.88 | HTR2C (0.34) | — | |
| SCHEMBL14862826 | 0.80 | HTR6 (0.37) | — | |
| SCHEMBL26546933 | 0.72 | HTR6 (0.33) | — | |
| SCHEMBL9784554 | 0.67 | — | — | |
| SCHEMBL23478571 | 0.64 | — | — | |
| SCHEMBL16529635 | 0.64 | — | — | |
| SCHEMBL1000577 | 0.64 | — | — | |
| SCHEMBL108473 | 0.62 | — | — | |
| Hydrochloric Acid SCHEMBL2797657 | 0.62 | — | — | |
| SCHEMBL3138747 | 0.62 | MEN1 (0.34) | — |
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 29 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| EP-2230241-B1 | TETRAHYDRO-IMIDAZO[1,5-A]PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | JIANGSU HENGRUI MEDICINE CO (CN) | 2014-11-26 | — | — | EP | claimed |
| EP-2552920-A1 | NOVEL NK-3 RECEPTOR SELECTIVE ANTAGONIST COMPOUNDS, PHARMACEUTICAL COMPOSITION AND METHODS FOR USE IN NK-3 RECEPTORS MEDIATED DISORDERS | Euroscreen S.A. (BE) | 2013-02-06 | — | — | EP | claimed |
| US-8207161-B2 | Tetrahydro-imidazo[1,5-α]pyrazine derivatives, preparation process and medicinal use thereof | JIANGSU HENGRUI MEDICINE CO. LTD. (CN) | 2012-06-26 | — | — | US | claimed |
| EP-2230241-A1 | TETRAHYDRO-IMIDAZOÝ1,5-A¨PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | Jiangsu Hengrui Medicine Co., Ltd. (CN) | 2010-09-22 | — | — | EP | claimed |
| US-20250320213-A1 | Nitrogen-Containing Heterocyclic Compounds | PFIZER INC. (US) | 2025-10-16 | — | — | US | disclosed |
| US-20230293517-A1 | ANTAGONIST COMPOUNDS | JANSSEN PHARMCEUTICA NV (BE) | 2023-09-21 | — | — | US | disclosed |
| EP-2404921-B1 | SALTS OF TETRAHYDROIMIDAZO[1,5-a]PYRAZINE DERIVATIVES, PREPARATION METHODS AND PHARMACEUTICAL USE THEREOF | JIANGSU HENGRUI MEDICINE CO (CN) | 2017-11-22 | — | — | EP | disclosed |
| EP-2230241-B1 | TETRAHYDRO-IMIDAZO[1,5-A]PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | JIANGSU HENGRUI MEDICINE CO (CN) | 2014-11-26 | — | — | EP | disclosed |
| US-8859538-B2 | Uses of substituted imidazoheterocycles | CARA THERAPEUTICS, INC. (US) | 2014-10-14 | — | — | US | disclosed |
| EP-2170350-B1 | SUBSTITUTED IMIDAZOHETEROCYCLES | CARA THERAPEUTICS INC (US) | 2013-09-11 | — | — | EP | disclosed |
| US-8518946-B2 | Salts of (R)-7-[3-amino-4-(2,4,5-trifluorophenyl)butanoyl]-3-trifluoromethyl-5,6,7,8-tetrahydroimidazo[1,5-a] pyrazine-1-carboxylic acid, preparation method and medical use thereof | JIANGSU HENGRUI MEDICINE CO., LTD. (CN) | 2013-08-27 | — | — | US | disclosed |
| US-8513411-B2 | Tetrahydro-imidazo[1,5-α] pyrazine derivatives, preparation process and medicinal use thereof | JIANGSU HENGRUI MEDICINE CO., LTD. (CN) | 2013-08-20 | — | — | US | disclosed |
| US-20110034443-A1 | USES OF SUBSTITUTED IMIDAZOHETEROCYCLES | CARA THERAPEUTICS, INC. (US) | 2011-02-10 | — | — | US | disclosed |
| US-20100273786-A1 | TETRAHYDRO-IMIDAZ0[1,5-A]PYRAZINE DERIVATIVES, PREPARATION PROCESS AND MEDICINAL USE THEREOF | JIANGSU HENGRUI MEDICINE CO., LTD. (CN) | 2010-10-28 | — | — | US | disclosed |
| US-20100273786-A1 | TETRAHYDRO-IMIDAZ0[1,5-A]PYRAZINE DERIVATIVES, PREPARATION PROCESS AND MEDICINAL USE THEREOF | JIANGSU HENGRUI MEDICINE CO., LTD. (CN) | 2010-10-28 | — | — | US | disclosed |
| EP-2230241-A1 | TETRAHYDRO-IMIDAZOÝ1,5-A¨PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | Jiangsu Hengrui Medicine Co., Ltd. (CN) | 2010-09-22 | — | — | EP | disclosed |
| EP-2230241-A1 | TETRAHYDRO-IMIDAZOÝ1,5-A¨PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | Jiangsu Hengrui Medicine Co., Ltd. (CN) | 2010-09-22 | — | — | EP | disclosed |
| WO-2009082881-A1 | TETRAHYDRO-IMIDAZO[1,5-A]PYRAZINE DERIVATIVES, PREPARATION METHODS AND MEDICAL USES THEREOF | SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD. (CN) | 2009-07-09 | — | — | WO | disclosed |
| US-7517874-B2 | Substituted imidazo[1,5-a][1,4]diazepines and imidazo[1,5-a]pyrazines as cannabinoid receptor agonists for the treatment of pain | CARA THERAPEUTICS, INC. (US) | 2009-04-14 | — | — | US | disclosed |
| US-20080318935-A1 | SUBSTITUTED IMIDAZOHETEROCYCLES | CARA THERAPEUTICS, INC. (US) | 2008-12-25 | — | — | US | disclosed |