⚠ 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 | |
|---|---|---|---|---|
| SCHEMBL1493629 | 0.77 | — | — | |
| SCHEMBL3456 | 0.76 | — | — | |
| Ammonia Solution, Strong SCHEMBL18832242 | 0.71 | — | — | |
| Ammonia Solution, Strong SCHEMBL3836937 | 0.68 | — | — | |
| Rubidium SCHEMBL4522192 | 0.68 | — | — | |
| Water SCHEMBL25369860 | 0.68 | — | — | |
| SCHEMBL11834265 | 0.68 | — | — | |
| SCHEMBL7775385 | 0.68 | — | — | |
| SCHEMBL10639117 | 0.68 | — | — | |
| SCHEMBL21530616 | 0.68 | — | — |
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 22 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| US-20250382307-A1 | IMPROVED METHODS FOR PREPARING N-METHYL ALANINE ESTERS OF MAYTANSINOL | IMMUNOGEN, INC. | 2025-12-18 | — | — | US | claimed |
| EP-4587445-A1 | IMPROVED METHODS FOR PREPARING N-METHYL ALANINE ESTERS OF MAYTANSINOL | ImmunoGen, Inc. (US) | 2025-07-23 | — | — | EP | claimed |
| US-20240313444-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN INC (US) | 2024-09-19 | — | — | US | claimed |
| US-20240145953-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN INC (US) | 2024-05-02 | — | — | US | claimed |
| WO-2024059267-A1 | IMPROVED METHODS FOR PREPARING N-METHYL ALANINE ESTERS OF MAYTANSINOL | IMMUNOGEN, INC. (US) | 2024-03-21 | — | — | WO | claimed |
| EP-3486248-B1 | IMPROVED METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN INC (US) | 2021-04-07 | — | — | EP | claimed |
| US-10944190-B2 | Methods for the acylation of maytansinol | IMMUNOGEN, INC. (US) | 2021-03-09 | — | — | US | claimed |
| US-20200153130-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN SWITZERLAND GMBH (CH) | 2020-05-14 | — | — | US | claimed |
| EP-3486248-A1 | IMPROVED METHODS FOR THE ACYLATION OF MAYTANSINOL | ImmunoGen, Inc. (US) | 2019-05-22 | — | — | EP | claimed |
| US-20190013604-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN, INC. | 2019-01-10 | — | — | US | claimed |
| US-20180099980-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN, INC. | 2018-04-12 | — | — | US | claimed |
| US-9469655-B2 | Methods for the acylation of maytansinol | IMMUNOGEN, INC. (US) | 2016-10-18 | — | — | US | claimed |
| EP-2900676-A1 | IMPROVED METHODS FOR THE ACYLATION OF MAYTANSINOL | ImmunoGen, Inc. (US) | 2015-08-05 | — | — | EP | claimed |
| US-20150191488-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN, INC. | 2015-07-09 | — | — | US | claimed |
| US-9012629-B2 | Methods for the acylation of maytansinol | IMMUNOGEN, INC. (US) | 2015-04-21 | — | — | US | claimed |
| US-20140142297-A1 | METHODS FOR THE ACYLATION OF MAYTANSINOL | IMMUNOGEN, INC. (US) | 2014-05-22 | — | — | US | claimed |
| EP-0910952-A1 | Stable microbicide formulation | ROHM AND HAAS COMPANY (US) | 1999-04-28 | — | — | EP | claimed |
| US-20250382307-A1 | IMPROVED METHODS FOR PREPARING N-METHYL ALANINE ESTERS OF MAYTANSINOL | IMMUNOGEN, INC. | 2025-12-18 | — | — | US | disclosed |
| EP-3904358-A1 | IMPROVED METHODS FOR THE ACYLATION OF MAYTANSINOL | ImmunoGen, Inc. (US) | 2021-11-03 | — | — | EP | disclosed |
| EP-3486248-A1 | IMPROVED METHODS FOR THE ACYLATION OF MAYTANSINOL | ImmunoGen, Inc. (US) | 2019-05-22 | — | — | EP | disclosed |