2,3,4,5-Tetramethyl-2-cyclopentenone, mixture of cis and trans
2,3,4,5-Tetramethyl-2-cyclopentenone (CAS 54458-61-6) is an organic compound with the molecular formula C9H14O. Available as a mixture of cis and trans isomers, this ketone serves as a valuable building block in organic synthesis. Its primary application involves the preparation of complex chiral ligands, specifically tetramethylcyclopentadienyl-based naphthalene derivatives, which are crucial in advanced chemical research and development.
- Synonyms
- 5-Tetramethyl-2-cyclopentenone, mixture of cis and trans54458-61-6C9H14O
Synthesis of Chiral Pre-Ligands
2,3,4,5-Tetramethyl-2-cyclopentenone is utilised in the synthesis of sophisticated chiral pre-ligands. These include derivatives such as (R)-3,3′-bis(tetramethylcyclopentadienyl)-2,2′-bismethoxy-1,1′-bisnaphthalene.
Intermediate in Organic Chemistry
As a functionalised cyclic ketone, this compound serves as a versatile intermediate for constructing more complex organic molecules. Its reactivity allows for various transformations essential in multi-step syntheses.
Research and Development
This chemical is employed in research settings for developing new synthetic methodologies and exploring novel molecular architectures. Its unique structure makes it a useful component in academic and industrial R&D projects.
| Molecular weight | 138.21 |
|---|---|
| Empirical formula | C9H14O |
| Assay | 95% |
| Boiling point | 100 °C/30 mmHg(lit.) |
| Density | 0.917 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.476(lit.) |
| Application | 2,3,4,5-Tetramethyl-2-cyclopentenone was used in the synthesis of chiral pre-ligands, (R)-3,3′-bis(tetramethylcyclopentadienyl)-2,2′-bismethoxy-1,1′-bisnaphthalene and (R)-3-tetramethylcyclopentadienyl-2,2′-bismethoxy-1,1′-bisnaphthalene by reacting with (R)-3,3′-dilithium-2,2′-bismethoxy-1,1′-bisnaphthalene1. |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 73 °C / 163.4 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,3,4,5-Tetramethyl-2-cyclopentenone used for?
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2,3,4,5-Tetramethyl-2-cyclopentenone is used as a building block in organic synthesis, particularly for preparing chiral pre-ligands and as an intermediate in the synthesis of complex organic molecules.
What are the CAS number and molecular formula?
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The CAS number for 2,3,4,5-Tetramethyl-2-cyclopentenone is 54458-61-6, and its empirical formula is C9H14O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,4,5-Tetramethyl-2-cyclopentenone with an assay of 95%. We do not represent this product as USP/BP/EP or any other pharmacopoeia grade.
What are the safety considerations when handling this chemical?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a respirator. The flash point is 73 °C (163.4 °F), indicating it is a combustible liquid. Consult the Safety Data Sheet for full hazard information.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,3,4,5-Tetramethyl-2-cyclopentenone, to customers worldwide.
How can I request a sample or quote?
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To request a sample or a quotation for 2,3,4,5-Tetramethyl-2-cyclopentenone, please use the contact form or contact our sales department directly through the website.
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