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Imexon

4-amino-1,3-diazabicyclo[3.1.0]hex-3-en-2-one · also: Imexonum, Amplimexon

FormulaC4H5N3O
Mol. weight111.104
PubChem CID68791
InChIKeyBIXBBIPTYBJTRY-UHFFFAOYSA-N
SMILESC1C2N1C(=O)N=C2N
1,352Patents
65Research papers
316Patents - last 3 years
3Papers - last 3 years

Who owns the IP

The organizations most actively patenting around this compound, ranked by referenced patent volume.

#AssigneePatents
1Amgen Inc144
2Infinity Pharmaceuticals Inc111
3Revolution Medicines Inc104
4University of Michigan (System)58
5Kura Oncology Inc52
6Merck Sharp & Dohme LLC41
7Sumitomo Pharma Oncology Inc27
8Taiho Pharmaceutical Co Ltd25
9Sony Group Corp23
10Institut National de la Santé et de la Recherche Médicale22

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This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.

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Where innovation is concentrated

Patent classifications ranked by volume reveal the technical domains with the most active filing.

#CodeAreaPatents
1A61PTherapeutic activity (drug indications)1,207
2A61KMedicinal preparations1,081
3C07DHeterocyclic compounds893
4C07KPeptides259
5C07BGeneral methods of organic chemistry160
6C07FOrganometallic compounds137
7Y02AClimate change adaptation120
8G01NInvestigating / analysing materials83
9C12NMicroorganisms, enzymes80
10C12QMeasuring/testing involving enzymes56

AI mapped opportunity space

This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.

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Most-cited patents

Patents ranked by forward citations reveal the foundational inventions the field continues to build on.

TitleYearAssigneeCited by
Use of imexon as an immune suppressive and pharmaceutical compositions containing imexon1994Roche Diagnostics GmbH7
Use of imexone as an immunosuppressive agent1990Roche Diagnostics GmbH2
Use of imexon as immunosuppressant1990BOEHRINGER MANNHEIM GMBH, 6800 MANNHEIM, DE2
USE OF IMEXON AS AN IMMUNE SUPPRESSIVE AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM1995Heidelberg Pharma Research GmbH0
PROCESS FOR PRODUCING IMMUNOSUPPRESSIVE PHARMACEUTICAL COMPOSITIONS COMPRISING IMEXON1990BOEHRINGER MANNHEIM GMBH.,DE0

Where research is gaining momentum

Research themes ranked by publication activity show where scientific interest is accelerating around this compound.

#Research topicPapers
1Synthesis and biological activity1

Who's driving the science

The most-published authors working with this compound, alongside their primary affiliations.

#AuthorAffiliationPapers
1Robert T. DorrUniversity of Arizona21
2Evan M. HershUniversity of Arizona10
3Betty K. SamulitisUniversity of Arizona9
4Terry H. LandowskiUniversity of Arizona9
5Anton SimeonovNational Center for Advancing Translational Sciences5
6Ajit JadhavNational Center for Advancing Translational Sciences4
7Claire M. PayneUniversity of Arizona4
8John D. MorreyUtah State University4
9Kevin M. OkleberryUtah State University4
10Bastiaan NuijenThe Netherlands Cancer Institute3

Research leaders

This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.

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The literature that defines it

The most-cited papers anchoring the scientific record for this compound.

Frequently asked questions

Common questions about this compound's patent and research landscape, answered from the underlying data.

What is the molecular structure and chemical formula of Imexon?

Imexon has the molecular formula C4H5N3O with a molecular weight of 111.104. Its canonical chemical name is 4-amino-1,3-diazabicyclo[3.1.0]hex-3-en-2-one, and it is also known by the synonyms Imexonum and Amplimexon.

Which organizations hold the most patents related to Imexon?

The leading patent assignees for Imexon are Amgen Inc with 144 patents, Infinity Pharmaceuticals Inc with 111 patents, and Revolution Medicines Inc with 104 patents. Additional significant assignees include University of Michigan System with 58 patents and Kura Oncology Inc with 52 patents.

What are the primary research topics and mechanisms of action studied for Imexon?

Published research on Imexon focuses on several key mechanisms including the induction of mitochondrial changes in myeloma cells, the induction of oxidative stress and apoptosis in myeloma cells via its aziridine-containing structure, and caspase-8-dependent apoptosis pathways in multiple myeloma tumor cells. Research also covers redox-directed cancer therapeutics and drug transport and resistance mechanisms.

Who are the most prolific researchers on Imexon and their affiliations?

Robert T. Dorr from University of Arizona is the most prolific author with 21 papers on Imexon, followed by Evan M. Hersh with 10 papers from the same institution. Other significant contributors from University of Arizona include Betty K. Samulitis and Terry H. Landowski, each with 9 papers. Anton Simeonov and Ajit Jadhav from National Center for Advancing Translational Sciences have also contributed substantially to the literature.

What is the patent classification landscape for Imexon-related inventions?

The dominant patent classifications for Imexon are A61P (pharmaceuticals with therapeutic activity) with 1207 patents and A61K (pharmaceutical preparations) with 1079 patents. Chemical synthesis and structure-related classifications C07D, C07K, C07B, and C07F account for 893, 259, 158, and 137 patents respectively, reflecting the compound's relevance to both pharmaceutical and chemical synthesis domains.

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