5,6-Dihydro-2H-pyran-2-one
5,6-Dihydro-2H-pyran-2-one (CAS: 3393-45-1, C5H6O2) is a heterocyclic organic compound with a molecular weight of 98.10 g/mol. This pyran derivative serves as a valuable building block in chemical synthesis. Its utility is demonstrated in the preparation of complex organic molecules, making it a useful intermediate for researchers in organic chemistry and related fields. Available from Tech Serve Solutions in technical grade.
- Synonyms
- C5H6O25,6-Dihydro-2H-pyran-2-one
Organic Synthesis Intermediate
5,6-Dihydro-2H-pyran-2-one is employed as a starting material or intermediate in the synthesis of more complex organic structures. Its reactivity allows for diverse transformations in multi-step synthetic pathways.
Preparation of Pyrrolidino-isoxazidino-tetrahydropyrans
This compound has been utilized in the preparation of specific heterocyclic systems, such as (1aR,5aR,5bS,6S,7S)-6,7-di-tert-butoxy-5-oxo-pyrrolidino[1,2-b]isoxazidino[4,5-c]tetrahydropyran. This highlights its role in constructing complex fused ring systems.
Synthesis of Tetrahydropyran Derivatives
It serves as a precursor for synthesising various tetrahydropyran derivatives, including compounds like 4-(phenyl)tetrahydro-2H-pyran-2-one, showcasing its versatility in modifying the pyran ring structure.
| Molecular weight | 98.10 |
|---|---|
| Empirical formula | C5H6O2 |
| Assay | 90% |
| Grade | technical grade |
| Boiling point | 103 °C/10 mmHg(lit.) |
| Density | 1.139 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.483(lit.) |
| Storage temperature | 2-8°C |
| Application | 5,6-Dihydro-2H-pyran-2-one has been used in the preparation of:• (1aR,5aR,5bS,6S,7S)-6,7-di-tert-butoxy-5-oxo-pyrrolidino[1,2-b]isoxazolidino[4,5-c]tetrahydropyran1• 4-(phenyl)tetrahydro-2H-pyran-2-one2 |
Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 46 °C / 114.8 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 23-24/25 |
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 5,6-Dihydro-2H-pyran-2-one used for?
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5,6-Dihydro-2H-pyran-2-one is primarily used as a building block in organic synthesis for preparing complex organic molecules and various heterocyclic compounds, including specific tetrahydropyran and pyrrolidino-isoxazidino-tetrahydropyran derivatives.
What are the CAS number and molecular formula for 5,6-Dihydro-2H-pyran-2-one?
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The CAS number for 5,6-Dihydro-2H-pyran-2-one is 3393-45-1, and its molecular formula is C5H6O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5,6-Dihydro-2H-pyran-2-one in technical grade with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should 5,6-Dihydro-2H-pyran-2-one be handled safely?
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5,6-Dihydro-2H-pyran-2-one is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Store in a well-ventilated area away from ignition sources, preferably at 2-8°C.
How is 5,6-Dihydro-2H-pyran-2-one packed and shipped?
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5,6-Dihydro-2H-pyran-2-one is shipped according to relevant transportation regulations for flammable liquids (UN 1224C 3 / PGIII). Specific packaging details are available upon request, and TSS is experienced in global export.
How can I request a sample or quote for 5,6-Dihydro-2H-pyran-2-one?
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To request a sample or a quote for 5,6-Dihydro-2H-pyran-2-one, please contact the Tech Serve Solutions sales team through our website or by phone. Please reference the CAS number 3393-45-1.
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