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Pyrrolidines

1,2,3,4-tetrahydropyridine · also: Tetrahydropyridine, Tetrahydropyridines

FormulaC5H9N
Mol. weight83.134
PubChem CID10176084
InChIKeyVSWICNJIUPRZIK-UHFFFAOYSA-N
SMILESC1CC=CNC1
29,606Patents
16,431Research papers
2,483Patents - last 3 years
706Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Merck Sharp & Dohme LLC1,344
2Takeda Pharmaceutical Co Ltd1,105
3Ono Pharmaceutical Co Ltd1,007
4Boehringer Ingelheim International GmbH447
5Organon Pharma UK Ltd409
6Gilead Sciences Inc365
7Samsung Display Co Ltd325
8MedImmune Ltd311
9F Hoffmann La Roche AG291
10Janssen Pharmaceutica NV283

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
1C07DHeterocyclic compounds22,802
2A61PTherapeutic activity (drug indications)22,306
3A61KMedicinal preparations14,228
4C07CAcyclic and carbocyclic compounds2,990
5C07FOrganometallic compounds1,976
6C07KPeptides1,200
7Y02AClimate change adaptation915
8C07BGeneral methods of organic chemistry868
9A01NPreservation of bodies; biocides; pest repellents853
10Y02PClimate change mitigation: production711

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
Tetrahydropyridine oxime compounds1990Warner Lambert Co LLC72
O-substituted tetrahydropyridine oxime cholinergic agents1987Warner Lambert Co LLC72
6-BENZIMIDAZ0LYL-2-M0RPH0LIN0-4- (AZETIDINE, PYRROLIDINE, PIPERIDINE OR AZEPINE) PYRIMIDINE DERIVATIVES AS PI3K AND MTOR INHIBITORS FOR THE TREATMENT OF PROLIFERATIVE DISORDERS2008AstraZeneca AB66
Thieno tetrahydropyridines useful as class III antiarrhythmic agents1994Ortho Pharmaceutical Corp64
2 -BENZIMIDAZOLYL- 6 -MORPHOLINO-4- (AZETIDINE, PYRROLIDINE, PIPERIDINE OR AZEPINE) PYRIMIDINE DERIVATIVES AS PI3K AND MTOR INHIBITORS FOR THE TREATMENT OF PROLIFERATIVE DISORDERS2008AstraZeneca AB57

Where research is gaining momentum

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

#Research topicPapers
1Diabetes Treatment and Management21
2Neuropeptides and Animal Physiology20
3Forensic Toxicology and Drug Analysis13
4Hepatitis C virus research13
5Neuroscience and Neuropharmacology Research13
6Nitric Oxide and Endothelin Effects10
7Pain Mechanisms and Treatments8
8NF-κB Signaling Pathways7
9Neurotransmitter Receptor Influence on Behavior7
10Neuroendocrine regulation and behavior6

Technology trend analysis

Cypris uses AI to connect emerging research themes to IP activity, commercialization signals, and underexplored opportunity areas.

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Who's driving the science

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

#AuthorAffiliationPapers
1Kenner C. RiceNational Institute on Drug Abuse36
2James E. FoleyNovartis (United States)35
3Anja SchweizerNovartis (Switzerland)32
4Fiona McPheeBristol-Myers Squibb (United States)29
5Hemendra N. BhargavaUniversity of Illinois Chicago20
6Kazuaki ChayamaHiroshima University19
7David M. PollockAugusta University17
8Federico MensaAbbVie (United States)17
9Bo ÅhrénLund University15
10Hiromitsu KumadaToranomon Hospital15

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 composition of pyrrolidines?

Pyrrolidines, also known as 1,2,3,4-tetrahydropyridine or tetrahydropyridines, have the molecular formula C5H9N and a molecular weight of 83.134. The compound is identified by the InChI Key VSWICNJIUPRZIK-UHFFFAOYSA-N.

Which companies hold the most patents related to pyrrolidines?

The leading patent assignees for pyrrolidines are Merck Sharp and Dohme LLC with 1344 patents, Takeda Pharmaceutical Co Ltd with 1105 patents, and Ono Pharmaceutical Co Ltd with 1007 patents. Other significant assignees include Boehringer Ingelheim International GmbH, Organon Pharma UK Ltd, and Gilead Sciences Inc.

What are the primary research topics associated with pyrrolidines in the scientific literature?

The dominant research topics related to pyrrolidines include Diabetes Treatment and Management, Neuropeptides and Animal Physiology, Hepatitis C virus research, Neuroscience and Neuropharmacology Research, and Forensic Toxicology and Drug Analysis. Additional areas of investigation include Pain Mechanisms and Treatments, Nitric Oxide and Endothelin Effects, and NF-κB Signaling Pathways.

How many patents and papers have been published on pyrrolidines in recent years?

As of the data available, there are 29,606 total patents related to pyrrolidines, with 2,556 patents filed in the last three years. The scientific literature contains 16,431 papers on pyrrolidines, with 704 papers published in the last three years.

What are the most common patent classifications for pyrrolidine research?

Pyrrolidine patents are predominantly classified under Organic Chemistry (C07D) with 22,801 patents and Pharmaceutical/Veterinary Use (A61P) with 22,304 patents. Medicinal Chemistry (A61K) accounts for 14,224 patents, followed by Organic Chemistry - General (C07C) with 2,990 patents, and Organic Chemistry with Elements Other Than Carbon and Hydrogen (C07F) with 1,975 patents.

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