1449127-52-9

Basic information

• Product Name: C₁₈H₂₄O₂
• Synonyms: C₁₈H₂₄O₂
• CAS NO: 1449127-52-9
• Molecular Weight: 272.387
• Mol File: 1449127-52-9.mol

Chemical Properties

• CAS DataBase Reference: C₁₈H₂₄O₂(CAS DataBase Reference)
• NIST Chemistry Reference: C₁₈H₂₄O₂(1449127-52-9)
• EPA Substance Registry System: C₁₈H₂₄O₂(1449127-52-9)

Safety Data

• Hazardous Substances Data: 1449127-52-9(Hazardous Substances Data)

Upstream product

• 542-69-8 1-iodo-butane 
• 124-38-9 carbon dioxide 
• 79887-10-8 1-ethynyl-4-(n-pentyl)benzene 

Relevant articles and documents

Silver tungstate: A single-component bifunctional catalyst for carboxylation of terminal alkynes with CO2 in ambient conditions

Silver tungstate was successfully developed as a bifunctional catalyst for the ligand-free carboxylation of various terminal alkynes with electron-withdrawing or electron-donating groups under atmospheric pressure of carbon dioxide (CO2) at room temperature. In this protocol, dual activation - i.e., the terminal alkyne activated by silver, and CO2 activation by the tungstate anion - was verified using nuclear magnetic resonance spectroscopy, and means that this reaction can be run under ambient conditions. Notably, this protocol can be applied to the preparation of a phenylacrylate derivative by a cascade reaction using phenylacetylene, CO2 and benzylamine as starting materials.

Cluster-based MOFs with accelerated chemical conversion of CO2 through C-C bond formation

Investigations on metal-organic frameworks (MOFs) as direct catalysts have been well documented, but direct catalysis of the chemical conversion of terminal alkynes and CO2 as chemical feedstock by MOFs into valuable chemical products has never

Copper(I)-based ionic liquid-catalyzed carboxylation of terminal alkynes with CO2 at atmospheric pressure

An ionic liquid containing copper(I) proved to be an effective homogeneous catalyst for the carboxylation of terminal alkynes with ambient CO2. This developed procedure needs no external ligands and terminal alkynes with various groups proceeded smoothly at atmospheric CO2 pressure and room temperature. Interestingly, the ILs containing copper(I) in both the anion and the cation showed much higher activity in comparison with the counterparts incorporating copper(I) solely in the form of halocuprate, that is, copper(I) in the anion. Especially, activated effect of the terminal alkyne by the ionic liquid was also validated by the NMR technique.

Copper(I)@carbon-catalyzed carboxylation of terminal alkynes with CO2 at atmospheric pressure

Activated carbon supported CuBr was found to be an efficient catalyst for the carboxylation of terminal alkynes under atmospheric pressure of CO2 using ethylene carbonate as solvent at 80 °C for only 2 h, as verified with 13CO2. Various terminal alkynes could react smoothly with CO2 and organic halides under the reaction conditions to afford the corresponding carboxylic esters. In addition, the catalyst can be easily recovered and reused at least five times without significant loss of activity.

Carboxylation of terminal alkynes at ambient CO2 pressure in ethylene carbonate

The CuI-catalyzed carboxylation of terminal alkynes with CO2 and alkyl halides using ethylene carbonate as the solvent under mild conditions was studied. DFT calculations reveal that the energy barrier for CO2 insertion into the sp-h