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Toluene → HCID 178445721, compound

HRID 709892
Notes
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Reaction equation

HRID 709892 reaction equation
[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([OH:12])[CH:6]=[CH:5]2.[C:13]([C@@H:17]1[CH2:22][CH2:21][C@H:20](O)[CH2:19][CH2:18]1)([CH3:16])([CH3:15])[CH3:14].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(C)C=CC=CC=1.N(C(OC(C)C)=O)=NC(OC(C)C)=O>CCOC(C)=O.CCCCCC.C(Cl)Cl>[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([O:12][C@H:20]1[CH2:21][CH2:22][C@H:17]([C:13]([CH3:16])([CH3:15])[CH3:14])[CH2:18][CH2:19]1)[CH:6]=[CH:5]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 1140TolueneHCID 11776TriphenylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 178445811HCID 178445811, compoundHCID 178515482HCID 178515482, compound

Product 1

HCID 178445721HCID 178445721, compoundYield 36%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 21226206Ethyl acetate hexaneSolvent

Procedure

The mixture of 6-bromo-quinolin-2-ol (1.00 g, 0.00446 mol), cis-4-tert-butylcyclohexanol (0.837 g, 0.00536 mol), and triphenylphosphine (1.405 g, 0.005356 mol) in toluene (9.508 mL, 0.08926 mol) was heated to reflux, and diisopropyl azodicarboxylate (1.054 mL, 0.005356 mol) was added dropwise and was stirred at reflux for 6 hours. The mixture was taken up into methylene chloride and subjected to chromatography with EtOAc/hexane (0:100 to 40:60) to give 6-bromo-2-(trans-4-tert-butylcyclohexyloxy)quinoline as a white solid (0.581 g, 36%). LCMS: Rf=2.82 min (362.38, [M]+, 100%).

Workup

  1. temperaturewas heated
  2. temperatureto reflux
  3. temperatureat reflux for 6 hours

Sources & evidence

ORD record
ord-aa25d5d6c08b439eb48eed82f5ce14fb
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09181191B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes