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Diisopropylethylamine → N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-5-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide

HRID 2391968
Notes
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Reaction equation

HRID 2391968 reaction equation
[CH3:1][N:2]1[C:6]([C:7]2[S:11][C:10]([C:12]([OH:14])=O)=[CH:9][CH:8]=2)=[CH:5][CH:4]=[N:3]1.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C.Cl.[NH2:49][C@@H:50]([CH2:63][C:64]1[CH:69]=[CH:68][CH:67]=[CH:66][C:65]=1[C:70]([F:73])([F:72])[F:71])[CH2:51][N:52]1[C:60](=[O:61])[C:59]2[C:54](=[CH:55][CH:56]=[CH:57][CH:58]=2)[C:53]1=[O:62]>C(Cl)Cl>[O:61]=[C:60]1[C:59]2[C:54](=[CH:55][CH:56]=[CH:57][CH:58]=2)[C:53](=[O:62])[N:52]1[CH2:51][C@@H:50]([NH:49][C:12]([C:10]1[S:11][C:7]([C:6]2[N:2]([CH3:1])[N:3]=[CH:4][CH:5]=2)=[CH:8][CH:9]=1)=[O:14])[CH2:63][C:64]1[CH:69]=[CH:68][CH:67]=[CH:66][C:65]=1[C:70]([F:72])([F:71])[F:73]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 586573295-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acidHCID 670654562-{(2s)-2-Amino-3-[2-(trifluoromethyl)phenyl]propyl}-1h-isoindole-1,3(2h)-dione-hcl

Product 1

HCID 57826603
N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-5-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide
Yield 28.6%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 5-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (100 mg, 0.48 mmol), PyBrOP (270 mg, 0.58 mmol) and diisopropylethyl amine (420 μL, 2.4 mmol) in DCM (5 mL) at 25° C. was added 2-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione-HCl (168 mg, 0.48 mmol)[from Preparation 6]. After 16 h, the solution was partitioned between H2O and washed with DCM. The combined organic fractions were dried (Na2SO4), concentrated and purified via column chromatography (silica) affording the title compound (74 mg, 28%) as a white solid: LC-MS (ES) m/z=539 (M+H)+.

Workup

  1. customthe solution was partitioned between H2O
  2. washwashed with DCM
  3. dry with materialThe combined organic fractions were dried (Na2SO4)
  4. concentrationconcentrated
  5. custompurified via column chromatography (silica)

Sources & evidence

ORD record
ord-4cfd8afbbb2046f2b9791c79158aacda
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08273782B2

Reaction notes

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