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2,6-Diphenylpiperidine → 1-(2,6-Diphenylpiperidin-1-yl)-4-dibenzylamino-2-butene

HRID 1590799
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1590799
C(O[CH2:5][CH:6]=[CH:7][CH2:8][N:9]([CH2:17][C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)(=O)C.[C:24]1([CH:30]2[CH2:35][CH2:34][CH2:33][CH:32]([C:36]3[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=3)[NH:31]2)[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1>C1COCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:36]1([CH:32]2[CH2:33][CH2:34][CH2:35][CH:30]([C:24]3[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=3)[N:31]2[CH2:5][CH:6]=[CH:7][CH2:8][N:9]([CH2:10][C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:17][C:18]2[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=2)[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 130106382,6-DiphenylpiperidineHCID 537897791-Acetoxy-4-dibenzylamino-2-butene

Produkt 1

HCID 543268241-(2,6-Diphenylpiperidin-1-yl)-4-dibenzylamino-2-butene

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 8028Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

A solution of 1-acetoxy-4-dibenzylamino-2-butene (3.0 g, 9.8 mmol) and 2,6-diphenylpiperidine (2.3 g, 9.8 mmol) in THF (25 ml) is treated with tetrakis(triphenylphosphine)palladium (0) (0.5 g, 0.45 mmol) and stirred at room temperature overnight. The reaction mixture is concentrated in vacuo. The residue is redissolved in THF (100 ml) and treated with 20% aqueous sodium hydroxide (25 ml). The mixture is stirred for one hour, concentrated, and extracted with diethyl ether. The ether extracts are dried and concentrated to give an orange oil which is purified by chromatography (silica gel; 5% ethyl acetate in hexanes) to give the title compound in a yield of 2.8 g (59%) as a clear oil. MS m/z 486 (M+)

Aufarbeitung

  1. concentrationThe reaction mixture is concentrated in vacuo
  2. dissolutionThe residue is redissolved in THF (100 ml)
  3. additiontreated with 20% aqueous sodium hydroxide (25 ml)
  4. stirringThe mixture is stirred for one hour
  5. concentrationconcentrated
  6. extractionextracted with diethyl ether
  7. dry with materialThe ether extracts are dried
  8. concentrationconcentrated
  9. customto give an orange oil which
  10. customis purified by chromatography (silica gel; 5% ethyl acetate in hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-9f4b96c173f444de95ae1e65f3c16086
Quelldatensatz
uspto-grants-1993_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05204474

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