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Water → HCID 66961128, Verbindung

HRID 1446517
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1446517
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:8]=[CH:9][C:10]=1[N:11]1[CH:15]=[C:14]([CH3:16])[N:13]=[CH:12]1)[CH:6]=O.[C:17]([O:21][C:22](=[O:36])[CH:23](P(OCC)(OCC)=O)[CH2:24][CH2:25][CH2:26][Cl:27])([CH3:20])([CH3:19])[CH3:18].O.[OH-].[Li+].O>C1COCC1.C(O)C.C(OCC)(=O)C>[C:17]([O:21][C:22](=[O:36])/[C:23](=[CH:6]/[C:5]1[CH:8]=[CH:9][C:10]([N:11]2[CH:15]=[C:14]([CH3:16])[N:13]=[CH:12]2)=[C:3]([O:2][CH3:1])[CH:4]=1)/[CH2:24][CH2:25][CH2:26][Cl:27])([CH3:20])([CH3:18])[CH3:19]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 962WaterHCID 168937Lithium hydroxide, monohydrateHCID 272824453-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehydeHCID 86602480Tert-butyl 5-chloro-2-(diethoxyphosphoryl)valerate

Produkt 1

HCID 66961128HCID 66961128, VerbindungAusbeute 60,7 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 702
Ethanol
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a solution of 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde (50 g) in THF (600 mL) and ethanol (200 mL), 5-chloro-2-(diethoxyphosphoryl)valeric acid tert-butyl ester (83.5 g) and lithium hydroxide monohydrate (29.1 g) were added to the one by one, and the reaction solution was agitated at room temperature overnight. Water and ethyl acetate were added to the reaction solution after confirming disappearance of the starting materials, and the organic layer was partitioned. After the obtained organic layer was washed with a saturated saline solution, it was dried over anhydrous magnesium sulfate and concentrated under reduced pressure. 54.9 g of the title compound was obtained by purifying the residue by silica gel chromatography (elution solvent:heptane:ethyl acetate=1:1), and re-crystallizing the obtained solid from the mixed-solution of ethyl acetate and hexane. The physical properties of the compound are as follows.

Aufarbeitung

  1. customthe organic layer was partitioned
  2. washAfter the obtained organic layer was washed with a saturated saline solution, it
  3. dry with materialwas dried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-4ee7e2ce033942949a1be23e1b29d269
Quelldatensatz
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07667041B2

Notizen zur Reaktion

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