Triphenylphosphine → HCID 86641939, Verbindung

HRID 384109Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 384109
[Br:1][C:2]1[N:7]=[CH:6][C:5]([OH:8])=[CH:4][CH:3]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O.[O:40]([C:47]1[CH:52]=[CH:51][CH:50]=[CH:49][C:48]=1[CH2:53]O)[C:41]1[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=1>O1CCCC1>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([O:8][CH2:53][C:48]2[CH:49]=[CH:50][CH:51]=[CH:52][C:47]=2[O:40][C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)=[CH:6][N:7]=1

Komponenten

6

Edukt 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 27628652-Bromo-5-hydroxypyridineHCID 36601112-Phenoxybenzyl alcohol

Produkt 1

HCID 86641939HCID 86641939, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 6-bromopyridin-3-ol (1.76 g) in tetrahydrofuran (20 ml), 3.20 g of triphenylphosphine, 5.52 ml of diethyl azodicarboxylate (45% toluene solution) and 2.43 g of (2-phenoxyphenyl)methanol were added, and the reaction solution was stirred overnight at room temperature. The reaction solvent was distilled off under reduced pressure, and the residue obtained was purified by silica gel column chromatography (eluent: ethyl acetate/hexane (0:100-15:85)) to afford the title compound as a yellow oil.

Aufarbeitung

  1. distillationThe reaction solvent was distilled off under reduced pressure
  2. customthe residue obtained
  3. customwas purified by silica gel column chromatography (eluent: ethyl acetate/hexane (0:100-15:85))

Quellen und Nachweise

ORD-Eintrag
ord-a6bb457da661413a8ea1867335fcd100
Quelldatensatz
uspto-grants-2013_02
Patentnummer
US08367708B2

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