⚠ 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 | |
|---|---|---|---|---|
| SCHEMBL1963806 | 0.82 | — | — | |
| SCHEMBL597712 | 0.72 | — | — | |
| SCHEMBL14671534 | 0.72 | — | — | |
| SCHEMBL6216216 | 0.72 | — | — | |
| SCHEMBL23730626 | 0.72 | — | — | |
| SCHEMBL25004733 | 0.72 | — | — | |
| SCHEMBL642970 | 0.72 | — | — | |
| SCHEMBL2154171 | 0.71 | ALDH1A1 (0.33) | — | |
| SCHEMBL15160716 | 0.71 | — | — | |
| Hydrochloric Acid SCHEMBL23703586 | 0.70 | — | — |
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 40 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| CN-116332816-A | Method for preparing 1-mercaptomethyl cyclopropylacetic acid by one-step method | 江苏阿尔法药业股份有限公司 | 2023-06-27 | — | — | CN | claimed |
| EP-1968943-B1 | AN IMPROVED PROCESS FOR THE PREPARATION OF MONTELUKAST AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS | MSN LAB LTD (IN) | 2013-01-23 | — | — | EP | claimed |
| EP-2094665-A2 | PREPARATION OF MONTELUKAST AND ITS SALTS | Dr. Reddy's Laboratories Ltd. (IN) | 2009-09-02 | — | — | EP | claimed |
| US-20090171092-A1 | Process for the Preparation of Montelukast and Its Pharmaceutically Acceptable Salts | MSN LABORATORIES LIMITED (IN) | 2009-07-02 | — | — | US | claimed |
| WO-2008058118-A2 | PREPARATION OF MONTELUKAST AND ITS SALTS | DR. REDDY'S LABORTORIES, LTD. (IN) | 2008-05-15 | — | — | WO | claimed |
| CN-114702416-B | Method for efficiently preparing montelukast sodium side chain intermediate | 重庆普佑生物医药有限公司 | 2024-07-05 | — | — | CN | disclosed |
| US-20230279015-A1 | COMPOUNDS AND METHODS FOR TREATMENT OF VIRAL INFECTIONS | GILEAD SCIENCES, INC. | 2023-09-07 | — | — | US | disclosed |
| CN-116332816-A | Method for preparing 1-mercaptomethyl cyclopropylacetic acid by one-step method | 江苏阿尔法药业股份有限公司 | 2023-06-27 | — | — | CN | disclosed |
| CN-114702416-A | Method for efficiently preparing montelukast sodium side chain intermediate | 法姆瑞斯医药科技(北京)有限公司 | 2022-07-05 | — | — | CN | disclosed |
| EP-1968943-B1 | AN IMPROVED PROCESS FOR THE PREPARATION OF MONTELUKAST AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS | MSN LAB LTD (IN) | 2013-01-23 | — | — | EP | disclosed |
| EP-1968943-B1 | AN IMPROVED PROCESS FOR THE PREPARATION OF MONTELUKAST AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS | MSN LAB LTD (IN) | 2013-01-23 | — | — | EP | disclosed |
| EP-1948611-B1 | Process for the preparation of a leukotriene antagonist and intermediates thereof | ESTEVE QUIMICA SA (ES) | 2012-05-23 | — | — | EP | disclosed |
| US-6320052-B1 | CRYSTALLINE PRECURSORS OF 1-(((1(R)-(3-(2-(7-CHLORO-2-QUINO LYNYL)ETHENYL)PHENYL)-3-(2-HYDROXY-1-METHYL-ETHYL)PHENYL) PROPYL)THIO)METHYL)CYCLOPROPYLACETIC ACID | MERCK & CO., INC. | 2001-11-20 | — | — | US | disclosed |
| EP-0737186-B1 | PROCESS FOR THE PREPARATION OF LEUKOTRIENE ANTAGONISTS | MERCK & CO INC (US) | 1998-08-19 | — | — | EP | disclosed |
| EP-0805808-A1 | PROCESS FOR THE PREPARATION OF 1-(THIOMETHYL)-CYCLOPROPANEACETIC ACID | Merck & Co., Inc. (US) | 1997-11-12 | — | — | EP | disclosed |
| US-5614632-A | Process for the preparation of leukotriene anatgonists | MERCK & CO., INC. (US) | 1997-03-25 | — | — | US | disclosed |
| EP-0737186-A1 | PROCESS FOR THE PREPARATION OF LEUKOTRIENE ANTAGONISTS | MERCK & CO. INC. (US) | 1996-10-16 | — | — | EP | disclosed |
| WO-1996022987-A1 | PROCESS FOR THE PREPARATION OF 1-(THIOMETHYL)-CYCLOPROPANEACETIC ACID | MERCK & CO., INC. (US) | 1996-08-01 | — | — | WO | disclosed |
| US-5523477-A | REACTING 1,1-CYCLOPROPANEDIMETHANOL WITH DIALKYL SULFITE IN PRESENCE OF ACID OR BASE TO FORM CYCLIC SULFITE, REMOVING ALCOHOL REACTION BY-PRODUCT | MERCK & CO., INC. (US) | 1996-06-04 | — | — | US | disclosed |
| WO-1995018107-A1 | PROCESS FOR THE PREPARATION OF LEUKOTRIENE ANTAGONISTS | MERCK & CO., INC. (US) | 1995-07-06 | — | — | WO | disclosed |