• 1. Chapter 8. Kinetics of reactions in solution. Part 1: Carbon acid reactivity
  J. R. Jones,J. E. Crooks Annu. Rep. Prog. Chem. Sect. C: Phys. Chem. 1984 81 247

• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Ketones
• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Carbonyl compounds Ketones

Cyclopentanone-2,2,5,5-d₄ (CAS No. 3997-89-5): Applications and Recent Advancements in Chemical and Biomedical Research

The compound Cyclopentanone-2,2,5,5-d4, identified by CAS Registry Number 3997-89-5, is a deuterated analog of cyclopentanone with four deuterium atoms substituted at positions 2, 2, 5, and 5 of the cyclopentane ring. This structural modification enhances its utility in advanced analytical techniques such as nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS). The deuterium labeling reduces signal overlap and improves resolution in NMR studies by eliminating proton signals from specific sites. Recent advancements in isotopic labeling methodologies have further solidified its role in metabolic pathway analysis and pharmacokinetic studies.

In drug discovery programs targeting metabolic stability optimization, Cyclopentanone-2,2,5,5-d4 serves as a critical intermediate for synthesizing deuterated pharmaceuticals. A 2023 study published in the Nature Communications highlighted its application in stabilizing bioactive molecules against enzymatic degradation through hydrogen-deuterium exchange mechanisms. Researchers demonstrated that incorporating this compound into drug candidates prolonged their half-life in preclinical models by reducing phase I metabolism pathways involving cytochrome P450 enzymes.

Beyond medicinal chemistry applications, this compound has emerged as a key tool in studying lipid metabolism dynamics using high-resolution MS techniques. A collaborative effort between Stanford University and the Max Planck Institute (reported in Analytical Chemistry, 2024) utilized its unique isotopic signature to trace fatty acid oxidation pathways in cancer cells with unprecedented precision. The deuterium labels enabled differentiation between endogenous metabolites and exogenously administered compounds without compromising cellular viability.

In material science research,Cyclopentanone-2,2,5,5-d4's thermal stability properties are being explored for developing next-generation polymer matrices with tunable mechanical characteristics. A recent patent filing (USPTO #17/861/341) describes its use as a crosslinking agent for creating biocompatible hydrogels with enhanced durability under physiological conditions—a breakthrough for tissue engineering applications requiring sustained drug release profiles.

Synthetic advancements have also transformed accessibility to this compound over the past decade. Traditional methods relying on Grignard reagents now coexist with modern protocols employing palladium-catalyzed coupling reactions under mild conditions (JACS Au, 2023). These innovations reduce production costs by up to 40% while maintaining isotopic purity above 98%, aligning with Good Manufacturing Practices (GMP) standards required for clinical-grade materials.

In vivo studies published in the Biochemical Journal (January 2024) revealed unexpected neuroprotective effects when this compound was administered alongside established Parkinson's disease therapies. The deuterium substitution appeared to modulate mitochondrial electron transport chain activity without affecting dopaminergic neuron viability—a discovery that could redefine approaches to neurodegenerative disease management.

Eco-toxicological assessments conducted under OECD guidelines confirm its low environmental impact compared to non-deuterated analogs (Environmental Science & Technology Letters, March 2023). The study demonstrated rapid biodegradation rates (>80% within 7 days) under standard test conditions while maintaining analytical utility—a critical balance for sustainable research practices.

Ongoing collaborations between computational chemists and synthetic teams are leveraging machine learning algorithms to predict optimal deuteration sites for specific applications (Scientific Reports, June 2024). By integrating quantum mechanical calculations with experimental data from compounds like Cyclopentanone-_d4, researchers aim to accelerate the development of site-specific isotopologues tailored to individual research needs.

This compound's versatility extends into educational settings where it serves as an ideal teaching tool for illustrating isotope effects on reaction kinetics (Journal of Chemical Education, May 2023). Its well-characterized properties make it suitable for demonstrating solvent isotope effects on nucleophilic acyl substitutions—a concept pivotal to understanding organic reaction mechanisms at undergraduate and graduate levels.

In conclusion,Cyclopentanone-d₄'s evolving role across multiple disciplines underscores its status as a foundational material in contemporary chemical research. As interdisciplinary studies continue to uncover novel applications—from precision medicine breakthroughs to sustainable material innovations—this deuterated cycloalkenone remains positioned at the forefront of scientific advancement while maintaining compliance with global regulatory standards for research chemicals.

• 3859-41-4(Cyclopentane-1,3-dione)
• 144121-59-5(3,9-Tetradecanedione)
• 70887-60-4(Cyclopentanone, ion(1-), lithium)
• 4477-17-2(Cyclopentanone-d8)
• 90480-72-1(Pentanal, reaction products with cyclopentanone, dehydrated, hydrated, distn. residues)
• 1490-38-6(4,9-Dodecanedione)
• 15740-35-9(16-Tritriacontanone)
• 36219-23-5(Cyclopentanone-β-d4)
• 90388-01-5(heptanal, reaction products with cyclopentanone, dehydrated, hydrated, distn. residues)
• 68488-80-2((CYCLOPENTANONE (1-13C) ))