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Phthalimide → HCID 57608238, Verbindung

HRID 1171204
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1171204
[CH2:1]([O:8][C:9]1[CH:10]=[CH:11][C:12]2[O:16][C:15]([CH2:17]O)=[CH:14][C:13]=2[CH:19]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:20]1(=[O:30])[NH:24][C:23](=[O:25])[C:22]2=[CH:26][CH:27]=[CH:28][CH:29]=[C:21]12.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CCOC(/N=N/C(OCC)=O)=O>O.O1CCCC1>[CH2:1]([O:8][C:9]1[CH:10]=[CH:11][C:12]2[O:16][C:15]([CH2:17][N:24]3[C:20](=[O:30])[C:21]4[C:22](=[CH:26][CH:27]=[CH:28][CH:29]=4)[C:23]3=[O:25])=[CH:14][C:13]=2[CH:19]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 6809PhthalimideHCID 11776TriphenylphosphineHCID 5462977Diethyl azodicarboxylateHCID 57608228HCID 57608228, Verbindung

Produkt 1

HCID 57608238HCID 57608238, VerbindungAusbeute 75 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a tetrahydrofuran (10 mL) solution of (5-benzyloxy-benzofuran-2-yl)-methanol (561 mg, 2.21 mmol) described in Production Example 7-1-4 were added phthalimide (358 mg, 2.43 mmol), triphenylphosphine (696 mg, 2.65 mmol) and diethylazodicarboxylate (1.21 mL, 2.65 mmol) at 0° C., which was stirred at room temperature for 9 hours. Water was added to the reaction solution at room temperature followed by extraction with ethyl acetate. The organic layer was washed with sat. NaCl followed by drying over anhydrous magnesium sulfate and filtering. The filtrate was concentrated under a reduced pressure and the residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=7:3) to obtain the title compound (635 mg, 75%) as a white solid.

Aufarbeitung

  1. extractionfollowed by extraction with ethyl acetate
  2. washThe organic layer was washed with sat. NaCl
  3. dry with materialby drying over anhydrous magnesium sulfate
  4. filtrationfiltering
  5. concentrationThe filtrate was concentrated under a reduced pressure
  6. customthe residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=7:3)

Quellen und Nachweise

ORD-Eintrag
ord-3eb65cdde2a14b519cb62b481727a576
Quelldatensatz
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07829585B2

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