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cofactor

(2S)-2-[[4-(3-amino-1-oxo-2,5,6,6a,7,9-hexahydroimidazo[1,5-f]pteridin-8-yl)benzoyl]amino]pentanedioic acid · also: Modufolin, Folitixorine, Folitixorina, folitixorinum, Tetrahydromethylenefolate, methylenetetrahydrofolate

FormulaC20H23N7O6
Mol. weight457.447
PubChem CID135400185
InChIKeyQYNUQALWYRSVHF-ABLWVSNPSA-N
SMILESC1C2CN(CN2C3=C(N1)N=C(NC3=O)N)C4=CC=C(C=C4)C(=O)N[C@@H](CCC(=O)O)C(=O)O
1,933Patents
223Research papers
295Patents - last 3 years
2Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Danisco US Inc144
2Goodyear Tire and Rubber Co92
3BASF SE83
4EIDP Inc67
5Evonik Operations GmbH35
6Merck Patent GmbH35
7AbbVie Inc32
8Merck et Cie20
9McGill University16
10AbbVie Bahamas Ltd14

Explore the full landscape

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
1A61KMedicinal preparations687
2A61PTherapeutic activity (drug indications)660
3C12NMicroorganisms, enzymes648
4C12PFermentation, enzyme processes580
5C07DHeterocyclic compounds278
6C12YEnzyme nomenclature (EC numbers)277
7C12QMeasuring/testing involving enzymes268
8C07KPeptides210
9G01NInvestigating / analysing materials200
10Y02EClimate change mitigation: energy192

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
Regulation of enzymes which utilize tetrahydrobiopterin or tetrahydrofolate cofactors with 6,6-disubstituted-tetrahydropteridines1995SOUTH ALABAMA MEDICAL SCIENCE FOUNDATION24
Cofactors and methods for use for individuals2012University of California San Diego UCSD3
REGULATION OF ENZYMES WHICH UTILIZE TETRAHYDROBIOPTERIN OR TETRAHYDROFOLATE COFACTORS WITH 6, 6-DISUBSTITUTED-TETRAHYDROPTERIDINES1991SOUTH ALABAMA MEDICAL SCIENCE FOUNDATION0

Where research is gaining momentum

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

#Research topicPapers
1Folate and B Vitamins Research5
2Amino Acid Enzymes and Metabolism1
3Cancer Research and Treatments1
4Enzyme Structure and Function1
5Neuroscience and Neuropharmacology Research1

Who's driving the science

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

#AuthorAffiliationPapers
1Daniel V. SantiUniversity of California, San Francisco10
2David G. PriestMedical University of South Carolina9
3R. Bruce DunlapUniversity of South Carolina8
4Rowena G. MatthewsUniversity of Michigan7
5Amnon KohenUniversity of Iowa6
6Elisabeth OdinUniversity of Gothenburg5
7Janet A. HoughtonSt. Jude Children's Research Hospital5
8M.T. DoigMedical University of South Carolina5
9Bengt GustavssonUniversity of Gothenburg4
10Carmen J. AllegraNaval Medical Research Command4

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 formula and weight of this compound?

The compound has a molecular formula of C20H23N7O6 and a molecular weight of 457.447 g/mol.

Which organizations hold the most patents related to this compound?

The top patent assignees are Danisco US Inc with 144 patents, Goodyear Tire and Rubber Co with 92 patents, and BASF SE with 83 patents.

What are the leading research topics associated with this compound in academic literature?

The primary research topic is Folate and B Vitamins Research with 3 papers, followed by Amino Acid Enzymes and Metabolism, Cancer Research and Treatments, Enzyme Structure and Function, and Neuroscience and Neuropharmacology Research, each with 1 paper.

Who are the most prolific authors publishing on this compound?

The leading authors are Daniel V. Santi from University of California, San Francisco with 10 papers, David G. Priest from Medical University of South Carolina with 9 papers, and R. Bruce Dunlap from University of South Carolina with 8 papers.

What is the patent activity trend for this compound in recent years?

Patent filings increased significantly from 2022 onwards, peaking at 146 patents in 2023 and 141 in 2024, compared to 47–74 patents annually during 2016–2021. Recent years show an overall upward trend, though 2025 shows lower counts at 11 patents.

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