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Diisopropylethylamine → 2-{3-[(1R,2R)-2-Ethoxycarbonyl-2-hydroxy-1-(2-trifluoromethyl-benzyl)-ethylcarbamoyl]-propyl}-benzoic acid

HRID 2361121
Notes
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Reaction equation

HRID 2361121 reaction equation
[C:1]([CH2:4][CH2:5][CH2:6][C:7]1[CH:15]=[CH:14][CH:13]=[CH:12][C:8]=1[C:9]([OH:11])=[O:10])([OH:3])=O.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH2:49]([O:51][C:52](=[O:68])[C@H:53]([OH:67])[C@H:54]([NH2:66])[CH2:55][C:56]1[CH:61]=[CH:60][CH:59]=[CH:58][C:57]=1[C:62]([F:65])([F:64])[F:63])[CH3:50]>C(Cl)Cl>[CH2:49]([O:51][C:52]([C@H:53]([OH:67])[C@H:54]([NH:66][C:1]([CH2:4][CH2:5][CH2:6][C:7]1[CH:15]=[CH:14][CH:13]=[CH:12][C:8]=1[C:9]([OH:11])=[O:10])=[O:3])[CH2:55][C:56]1[CH:61]=[CH:60][CH:59]=[CH:58][C:57]=1[C:62]([F:65])([F:63])[F:64])=[O:68])[CH3:50]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 124220832-(3-Carboxypropyl)benzoic acidHCID 71073550(2R,3R)-3-amino-2-hydroxy-4-(2-trifluoromethyl-phenyl)-butyric acid ethyl ester

Product 1

HCID 71073603
2-{3-[(1R,2R)-2-Ethoxycarbonyl-2-hydroxy-1-(2-trifluoromethyl-benzyl)-ethylcarbamoyl]-propyl}-benzoic acid
Yield 100%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

2-(3-Carboxy-propyl)benzoic acid (50 mg, 240 μmol, 1.0 eq.) was combined with DIPEA (134 μL, 3.2 eq.) and HATU (91.3 mg, 240 μmol, 1.0 eq.) in DCM (5 mL). (2R,3R)-3-Amino-2-hydroxy-4-(2-trifluoromethyl-phenyl)-butyric acid ethyl ester (69.9 mg, 240 μmol, 1.0 eq.) was added and the resulting mixture was stirred for 1 hour. The reaction was quenched by adding saturated NH4Cl and the product was extracted with DCM, dried, evaporated, and purified by preparative HPLC to yield the title compound (40 mg, 100% purity). MS m/z [M+H]+ calc'd for C24H26F3NO6, 482.17. found 482.

Workup

  1. customThe reaction was quenched
  2. additionby adding saturated NH4Cl
  3. extractionthe product was extracted with DCM
  4. customdried
  5. customevaporated
  6. custompurified by preparative HPLC

Sources & evidence

ORD record
ord-08f68ffe1fe44fc6b90bf08ebb78fe65
Source dataset
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08686184B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes