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Tributylphosphine → Ethyl 3-(3-(((2'-fluoro-5'-methoxy-2-neopentyl-[1,1'-biphenyl]-4-yl)oxy)methyl)phenyl)hex-4-ynoate

HRID 1049562
Notes
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Reaction equation

HRID 1049562 reaction equation
[OH:1][CH2:2][C:3]1[CH:4]=[C:5]([CH:9]([C:16]#[C:17][CH3:18])[CH2:10][C:11]([O:13][CH2:14][CH3:15])=[O:12])[CH:6]=[CH:7][CH:8]=1.[F:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][C:21]=1[C:28]1[CH:33]=[CH:32][C:31](O)=[CH:30][C:29]=1[CH2:35][C:36]([CH3:39])([CH3:38])[CH3:37].N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O.C(P(CCCC)CCCC)CCC>C1COCC1>[F:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][C:21]=1[C:28]1[CH:33]=[CH:32][C:31]([O:1][CH2:2][C:3]2[CH:4]=[C:5]([CH:9]([C:16]#[C:17][CH3:18])[CH2:10][C:11]([O:13][CH2:14][CH3:15])=[O:12])[CH:6]=[CH:7][CH:8]=2)=[CH:30][C:29]=1[CH2:35][C:36]([CH3:39])([CH3:38])[CH3:37]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 13831TributylphosphineHCID 730421,1'-(Azodicarbonyl)dipiperidineHCID 1177596322'-Fluoro-5'-methoxy-2-neopentyl-[1,1'-biphenyl]-4-olHCID 117760135Ethyl 3-(3-(hydroxymethyl)phenyl)hex-4-ynoate

Product 1

HCID 117759726Ethyl 3-(3-(((2'-fluoro-5'-methoxy-2-neopentyl-[1,1'-biphenyl]-4-yl)oxy)methyl)phenyl)hex-4-ynoate
Yield 82.1%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

Under a nitrogen atmosphere, to a solution of ethyl 3-(3-(hydroxymethyl)phenyl)hex-4-ynoate (100 mg) and 2′-fluoro-5′-methoxy-2-neopentyl-[1,1′-biphenyl]-4-ol (117 mg) in THF (5.8 mL) were added 1,1′-(azodicarbonyl)dipiperidine (164 mg) and tributylphosphine (160 μL) at room temperature, and the mixture was stirred for 16 hr. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (172 mg) as a colorless oil.

Workup

  1. customThe solvent was evaporated under reduced pressure
  2. customthe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

Sources & evidence

ORD record
ord-5ff2a2e95a3a475693d9471154251cd8
Source dataset
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09382188B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes