Hydrochloric Acid → Tetrahydro-2H-pyran-3-acetaldehyde

HRID 1010939Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1010939
C[O:2][CH:3]=[CH:4][CH:5]1[CH2:10][CH2:9][CH2:8][O:7][CH2:6]1.Cl>C1COCC1.O>[O:7]1[CH2:8][CH2:9][CH2:10][CH:5]([CH2:4][CH:3]=[O:2])[CH2:6]1

Komponenten

5

Edukt 2

HCID 313Hydrochloric AcidHCID 673144513-[2-(methoxy)ethenyl]tetrahydro-2H-pyran

Produkt 1

HCID 55264769Tetrahydro-2H-pyran-3-acetaldehyde

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a stirring solution of 3-[2-(methoxy)ethenyl]tetrahydro-2H-pyran (2.22 gm) in THF (15 ml) was added 2N hydrochloric acid (15 ml). After 1 h the mixture was diluted with water and extracted three times with ether. The combined extracts were washed with brine, dried (Na2SO4) and evaporated to give the title product as a pale yellow oil, yield 1.79 g.

Aufarbeitung

  1. extractionextracted three times with ether
  2. washThe combined extracts were washed with brine
  3. dry with materialdried (Na2SO4)
  4. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-2333542870cd420abcc336e4192926f1
Quelldatensatz
uspto-grants-2011_07
Patentnummer
US07977344B2

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