4-Bromophenol → HCID 70531710, Verbindung

HRID 851064Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 851064
[CH2:1]([O:3][C:4]([N:6]1[CH2:11][CH2:10][C@@H:9]([OH:12])[C@H:8]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH2:7]1)=[O:5])[CH3:2].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[Br:38][C:39]1[CH:44]=[CH:43][C:42](O)=[CH:41][CH:40]=1.N(C(OCC)=O)=NC(OCC)=O>C1C=CC=CC=1>[Br:38][C:39]1[CH:44]=[CH:43][C:42]([O:12][C@H:9]2[CH2:10][CH2:11][N:6]([C:4]([O:3][CH2:1][CH3:2])=[O:5])[CH2:7][C@H:8]2[C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=2)=[CH:41][CH:40]=1

Komponenten

6

Edukt 4

HCID 78084-BromophenolHCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 13039299HCID 13039299, Verbindung

Produkt 1

HCID 70531710HCID 70531710, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 241BenzeneLösungsmittel2×

Versuchsvorschrift

To a stirred solution of 6.26 g of trans-1-ethoxycarbonyl-3-phenyl-4-piperidinol, 7.21 g of triphenylphosphine, 4.76 g of 4-bromophenol and 250 ml of benzene is added dropwise, at 5° C. under nitrogen, a solution of 4.79 g of diethyl azocarboxylate in 250 ml of benzene. After the addition is complete, the mixture is stirred at room temperature overnight. The reaction mixture is processed according to the procedure of Example 75 to give product as a gum.

Aufarbeitung

  1. additionAfter the addition
  2. customto give product as a gum

Quellen und Nachweise

ORD-Eintrag
ord-b048820bfa974806ac8da41578010a07
Quelldatensatz
uspto-grants-1983_05
Patentnummer
US04382141

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