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Formaldehyde → 6-[4-(1-Phenylethenyl)benzoyl]-2-(1-pyrrolidinylmethyl)-4,5,6,7-tetrahydrofuro[2,3-c]pyridine

HRID 611371
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 611371
[C:1]1([C:7]([C:9]2[CH:25]=[CH:24][C:12]([C:13]([N:15]3[CH2:20][CH2:19][C:18]4[CH:21]=[CH:22][O:23][C:17]=4[CH2:16]3)=[O:14])=[CH:11][CH:10]=2)=[CH2:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[NH:26]1[CH2:30][CH2:29][CH2:28][CH2:27]1.[CH2:31]=O>C(O)(=O)C>[C:1]1([C:7]([C:9]2[CH:25]=[CH:24][C:12]([C:13]([N:15]3[CH2:20][CH2:19][C:18]4[CH:21]=[C:22]([CH2:31][N:26]5[CH2:30][CH2:29][CH2:28][CH2:27]5)[O:23][C:17]=4[CH2:16]3)=[O:14])=[CH:11][CH:10]=2)=[CH2:8])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1
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Komponenten

5

Edukt 3

HCID 712FormaldehydeHCID 31268PyrrolidineHCID 196001706-[4-(1-Phenylethenyl)benzoyl]-4,5,6,7-tetrahydrofuro[2,3-c]pyridine

Produkt 1

HCID 195999626-[4-(1-Phenylethenyl)benzoyl]-2-(1-pyrrolidinylmethyl)-4,5,6,7-tetrahydrofuro[2,3-c]pyridine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 176Acetic AcidLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

To a solution of 0.724 g (2.198 mmol) of the above 6-[4-(1-phenylethenyl)benzoyl]-4,5,6,7-tetrahydrofuro[2,3-c]pyridine in 10 ml of acetic acid, 0.28 ml (3.30 mmol) of pyrrolidine and 0.27 g (3.30 mmol) of 37% aqueous formaldehyde were added, followed by stirring at 100° C. for 1 hour. After the solvent was distilled off under reduced pressure, the residual solution was alkalified with aqueous sodium hydroxide and extracted with ethyl acetate 3 times. The combined organic layer was dried over anhydrous magnesium sulfate; the solvent was distilled off under reduced pressure. The resulting crude product was purified by silica gel column chromatography (ethyl acetate to ethyl acetate/methanol=4/1) to yield the desired product.

Aufarbeitung

  1. distillationAfter the solvent was distilled off under reduced pressure
  2. extractionextracted with ethyl acetate 3 times
  3. dry with materialThe combined organic layer was dried over anhydrous magnesium sulfate
  4. distillationthe solvent was distilled off under reduced pressure
  5. customThe resulting crude product was purified by silica gel column chromatography (ethyl acetate to ethyl acetate/methanol=4/1)

Quellen und Nachweise

ORD-Eintrag
ord-de2dcade8bff474fae37a56fdceaf80b
Quelldatensatz
uspto-grants-1999_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05998433

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