2-METHOXYTETRAHYDROPYRAN
2-METHOXYTETRAHYDROPYRAN Basic information
- Product Name:
- 2-METHOXYTETRAHYDROPYRAN
- Synonyms:
-
- (R,S)-2-Methoxy-tetrahydro-pyran
- 2H-Pyran,tetrahydro-2-methoxy-
- 2-methoxy-tetrahydro-pyra
- Pyran,tetrahydro-2-methoxy-
- tetrahydro-2-methoxy-2h-pyra
- 2-Methoxytetrahydro-2H-pyran
- 2-methoxyoxane
- tetrahydro-2-methoxy-2h-pyran
- CAS:
- 6581-66-4
- MF:
- C6H12O2
- MW:
- 116.16
- EINECS:
- 229-509-8
- Product Categories:
-
- Building Blocks
- Heterocyclic Building Blocks
- Pyrans
- Mol File:
- 6581-66-4.mol
2-METHOXYTETRAHYDROPYRAN Chemical Properties
- Boiling point:
- 128-129 °C (lit.)
- Density
- 0.963 g/mL at 25 °C (lit.)
- refractive index
- n20/D 1.425(lit.)
- Flash point:
- 77 °F
- Specific Gravity
- 0.963
MSDS
- Language:English Provider:SigmaAldrich
2-METHOXYTETRAHYDROPYRAN Usage And Synthesis
Preparation
To a flask equipped with a stirrer and containing 84.0 gm (1.0 mole) of 2,3-dihydropyran in the presence of 1 ml of cone, hydrochloric acid is added 32.0 gm (1.0 mole) of methanol. The reaction is exothermic and is stirred for 3 hr. Then a few pellets of sodium hydroxide are added to make the reaction basic. The mixture is directly distilled to afford 98.6 gm (85%), b.p. 125°C (760 mm Hg).
General Description
2-Methoxytetrahydropyran is methoxy-substituted tetrahydropyran. α- and β-glycosidic C1-O1 bonds of the axial and equatorial forms of 2-methoxytetrahydropyran has been investigated by ab initio conformational study. Stereochemical properties of the glycosidic linkage of 2-methoxytetrahydropyran have been studied by the quantum-chemical PCILO method. It undergoes elimination reaction in the gas phase to yield 3, 4-dihydro-2H-pyran and methanol. Proton resonance spectra of 2-methoxytetrahydropyran has been analyzed.
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