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4-Bromophenol → HCID 70531710, compound

HRID 1106358
Notes
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Reaction equation

HRID 1106358 reaction equation
[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
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

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

Product 1

HCID 70531710HCID 70531710, compound

Reagents, catalysts & solvents 1

HCID 241
Benzene
Solvent
2×

Procedure

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.

Workup

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

Sources & evidence

ORD record
ord-dbca4ee6add8437aabb3528fc3b18eec
Source dataset
uspto-grants-1982_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04312876

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes