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| | 5,6-DIHYDRO-2H-PYRAN-2-ONE Basic information |
| Product Name: | 5,6-DIHYDRO-2H-PYRAN-2-ONE | | Synonyms: | 2-Pentenoic acid, 5-hydroxy-, delta-lactone;5,6-Dihydro-2-pyranone;5,6-DIHYDRO-2H-PYRAN-2-ONE;Dihydropyranone;5,6-DIHYDRO-2H-PYRAN-2-ONE, TECH GRADE, 90%;5,6-Dihydro-2H-pyran-2-one technical grade, 90%;5,6-Dihydro-2H-pyran-2-one;2,5-dihydropyran-6-one | | CAS: | 3393-45-1 | | MF: | C5H6O2 | | MW: | 98.1 | | EINECS: | 628-075-0 | | Product Categories: | Building Blocks;Chemical Synthesis;Building Blocks;Heterocyclic Building Blocks;Pyrans;Heterocyclic Building Blocks;API intermediates | | Mol File: | 3393-45-1.mol |  |
| | 5,6-DIHYDRO-2H-PYRAN-2-ONE Chemical Properties |
| Boiling point | 103 °C/10 mmHg (lit.) | | density | 1.139 g/mL at 25 °C (lit.) | | refractive index | n20/D 1.483(lit.) | | Fp | 115 °F | | storage temp. | 2-8°C | | form | clear liquid | | color | Colorless to Light orange to Yellow | | Sensitive | Moisture Sensitive | | BRN | 1610 | | InChIKey | QBDAFARLDLCWAT-UHFFFAOYSA-N | | CAS DataBase Reference | 3393-45-1 |
| Risk Statements | 10 | | Safety Statements | 23-24/25 | | RIDADR | UN 1224 3/PG 3 | | WGK Germany | 3 | | F | 10-21 | | HazardClass | 3 | | PackingGroup | III | | HS Code | 2932209090 |
| | 5,6-DIHYDRO-2H-PYRAN-2-ONE Usage And Synthesis |
| Uses | 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]tetrahydropyran
- 4-(phenyl)tetrahydro-2H-pyran-2-one
| | Synthesis Reference(s) | The Journal of Organic Chemistry, 49, p. 1647, 1984 DOI: 10.1021/jo00183a030
Tetrahedron Letters, 25, p. 4783, 1984 DOI: 10.1016/S0040-4039(01)81518-5 | | General Description | Enantioselective conjugate addition of Grignard reagents to 5,6-dihydro-2H-pyran-2-one catalyzed by a chiral phosphine-copper iodide catalyst has been reported. |
| | 5,6-DIHYDRO-2H-PYRAN-2-ONE Preparation Products And Raw materials |
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