• 1. EWOD-driven droplet microfluidic device integrated with optoelectronic tweezers as an automated platform for cellular isolation and analysis?
  Gaurav J. Shah,Eric P.-Y. Chiou,Ming C. Wu,Chang-Jin “CJ” Kim Lab Chip, 2009,9, 1732-1739
• 2. Fast synthesis of copper nanoclusters through the use of hydrogen peroxide additive and their application for the fluorescence detection of Hg2+ in water samples?
  Liao Xiaoqing,Li Ruiyi,Li Zaijun,Sun Xiulan,Wang Zhouping,Liu Junkang New J. Chem., 2015,39, 5240-5248
• 3. Empowering microfluidics by micro-3D printing and solution-based mineral coating?
  Hongxia Li,Aikifa Raza,Qiaoyu Ge,Jin-You Lu,TieJun Zhang Soft Matter, 2020,16, 6841-6849
• 4. Evidence of CO2 molecule acting as an electron acceptor on a nanoporous metal–organic-framework MIL-53 or Cr3+(OH)(O2C–C6H4–CO2)?
  Alexandre Vimont,Arnaud Travert,Philippe Bazin,Jean-Claude Lavalley,Marco Daturi,Christian Serre,Gérard Férey,Sandrine Bourrelly,Philip L. Llewellyn Chem. Commun., 2007, 3291-3293
• 5. Evolution of cellulose into flexible conductive green electronics: a smart strategy to fabricate sustainable electrodes for supercapacitors
  Tengfei Yu,Yuehan Wu,Wei Li,Bin Li RSC Adv., 2014,4, 34134-34143

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Phenylphosphines and derivatives

(E,E)-2,4-Heptadienyldiphenylphosphine Oxide: A Comprehensive Overview

(E,E)-2,4-Heptadienyldiphenylphosphine Oxide, with the CAS registry number 91575-92-7, is a compound of significant interest in the fields of organic chemistry and materials science. This compound, also referred to as diphenyl (E,E)-2,4-heptadienylphosphine oxide, is a derivative of diphenylphosphine oxide with a conjugated diene system attached to the phosphorus atom. The presence of the conjugated diene system introduces unique electronic and structural properties, making it a valuable molecule for various applications.

The molecular formula of this compound is C₁₉H₁₈PO, and its molecular weight is approximately 306.36 g/mol. The structure consists of two phenyl groups attached to a phosphorus atom, which is further connected to a hepta-2,4-dienyl group. The (E,E) configuration of the double bonds in the hepta-2,4-dienyl group ensures a planar arrangement, enhancing the conjugation and stability of the molecule. This configuration also plays a crucial role in determining the compound's electronic properties and reactivity.

(E,E)-2,4-Heptadienyldiphenylphosphine Oxide is typically synthesized via the oxidation of its corresponding phosphine precursor. The synthesis involves controlled oxidation conditions to ensure the formation of the desired oxide without overoxidation or side reactions. The compound is stable under normal conditions but may undergo thermal decomposition at elevated temperatures.

In terms of physical properties, this compound is typically a pale yellow crystalline solid with a melting point around 85°C and a boiling point above 300°C under standard pressure. It is sparingly soluble in water but exhibits good solubility in organic solvents such as dichloromethane, chloroform, and ethyl acetate. These solubility characteristics make it suitable for use in various organic synthesis reactions where precise control over reactivity is essential.

The electronic structure of (E,E)-2,4-Heptadienyldiphenylphosphine Oxide has been extensively studied using computational chemistry methods such as density functional theory (DFT). These studies have revealed that the molecule exhibits significant conjugation across the diene system and the phosphorus atom, leading to unique electronic transitions that are relevant for applications in optoelectronics and sensing technologies.

One of the most promising applications of this compound lies in its use as a precursor for advanced materials such as phosphorus-containing polymers and low-dimensional nanomaterials. Recent research has demonstrated that this compound can serve as a building block for constructing functional polymers with tailored electronic properties. For instance, incorporating this compound into polymer backbones has been shown to enhance charge transport properties, making them suitable for use in organic photovoltaic devices.

In addition to its role in polymer synthesis, (E,E)-2,4-Heptadienyldiphenylphosphine Oxide has also found applications in catalytic systems. Its ability to act as a Lewis base makes it an effective ligand in transition metal-catalyzed reactions. Recent studies have highlighted its potential as a ligand in palladium-catalyzed cross-coupling reactions, where it enhances catalytic activity and selectivity by stabilizing key intermediates during the reaction process.

The optical properties of this compound have also been explored for potential applications in fluorescence sensing and imaging. Due to its extended conjugation system, it exhibits strong absorption and emission characteristics in the visible region of the spectrum. Researchers have investigated its use as a fluorescent probe for detecting specific analytes in complex biological systems, demonstrating high sensitivity and selectivity.

From an environmental standpoint, understanding the fate and behavior of (E,E)-2,4-Heptadienyldiphenylphosphine Oxide in natural systems is crucial for assessing its potential impact on ecosystems. Recent studies have focused on its biodegradation pathways under aerobic and anaerobic conditions. These studies suggest that while the compound is relatively stable under ambient conditions, it can undergo microbial degradation under specific environmental conditions.

In conclusion, (E,E)-2,4-Heptadienyldiphenylphosphine Oxide (CAS No: 91575-92-7) is a versatile compound with diverse applications across multiple disciplines. Its unique electronic structure and reactivity make it an invaluable tool for researchers working on advanced materials development and catalytic processes. As ongoing research continues to uncover new insights into its properties and applications, this compound is poised to play an increasingly important role in both academic research and industrial applications.

• 2098070-20-1(2-(3-(Pyridin-3-yl)-1H-pyrazol-1-yl)acetimidamide)
• 2680771-01-9(4-cyclopentyl-3-{(prop-2-en-1-yloxy)carbonylamino}butanoic acid)
• 1444113-98-7(N-(3-cyanothiolan-3-yl)-2-[(2,2,2-trifluoroethyl)sulfanyl]pyridine-4-carboxamide)
• 332062-08-5(Fmoc-S-3-amino-4,4-diphenyl-butyric acid)
• 1270529-38-8(1,2,3,4,5,6-Hexahydro-[2,3]bipyridinyl-6-ol)
• 941977-17-9(N'-(3-chloro-2-methylphenyl)-N-2-(dimethylamino)-2-(naphthalen-1-yl)ethylethanediamide)
• 2138166-62-6(2,2-Difluoro-3-[methyl(2-methylbutyl)amino]propanoic acid)
• 89640-58-4(2-Iodo-4-nitrophenylhydrazine)
• 1449132-38-0(3-Fluoro-5-(2-fluoro-5-methylbenzylcarbamoyl)benzeneboronic acid)
• 2034271-14-0(2-(1H-indol-3-yl)-N-{[6-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]methyl}acetamide)