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Ethyl Acetate → 3-{3-Fluoro-4-[1-(4'-trifluoromethyl-biphenyl-4-yl)-heptyloxy]-benzoylamino}-propionic acid ethyl ester

HRID 1669335
Notes
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Reaction equation

HRID 1669335 reaction equation
[F:1][C:2]([F:24])([F:23])[C:3]1[CH:8]=[CH:7][C:6]([C:9]2[CH:14]=[CH:13][C:12]([CH:15]([OH:22])[CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])=[CH:11][CH:10]=2)=[CH:5][CH:4]=1.[CH2:25]([O:27][C:28](=[O:42])[CH2:29][CH2:30][NH:31][C:32](=[O:41])[C:33]1[CH:38]=[CH:37][C:36](O)=[C:35]([F:40])[CH:34]=1)[CH3:26].C(P(CCCC)CCCC)CCC.C(OCC)(=O)C>C1(C)C=CC=CC=1>[CH2:25]([O:27][C:28](=[O:42])[CH2:29][CH2:30][NH:31][C:32](=[O:41])[C:33]1[CH:38]=[CH:37][C:36]([O:22][CH:15]([C:12]2[CH:13]=[CH:14][C:9]([C:6]3[CH:5]=[CH:4][C:3]([C:2]([F:23])([F:24])[F:1])=[CH:8][CH:7]=3)=[CH:10][CH:11]=2)[CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])=[C:35]([F:40])[CH:34]=1)[CH3:26]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8857Ethyl AcetateHCID 13831TributylphosphineHCID 597294013-(3-Fluoro-4-hydroxy-benzoylamino)-propionic acid ethyl esterHCID 597294131-(4'-Trifluoromethyl-biphenyl-4-yl)-heptan-1-ol

Product 1

HCID 597293873-{3-Fluoro-4-[1-(4'-trifluoromethyl-biphenyl-4-yl)-heptyloxy]-benzoylamino}-propionic acid ethyl esterYield 90.1%

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

Combine 1-(4′-trifluoromethyl-biphenyl-4-yl)-heptan-1-ol (0.257 g, 0.76 mmol) and 3-(3-Fluoro-4-hydroxy-benzoylamino)-propionic acid ethyl ester (0.150 g, 0.59 mmol) in toluene (3.0 mL). Add 1,1′(diazocarbonyl)dipiperidine (0.223 g, 0.88 mmol) followed by tributyl-phosphane (0.22 mL, 0.88 mmol) under inert atmosphere. Stir at room temperature for 18 hours. Dilute reaction with ethyl acetate filter and remove solvent under reduced pressure. Purify on silica gel chromatography (0-70% Ethyl acetate/hexanes gradient) to provide 0.305 g of title compound (90%).

Workup

  1. additionDilute
  2. filtrationfilter
  3. customremove solvent under reduced pressure
  4. customPurify on silica gel chromatography (0-70% Ethyl acetate/hexanes gradient)

Sources & evidence

ORD record
ord-bd57321554544770a42a0ec8a0de8175
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07989457B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes