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Diisopropylethylamine → N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(4-fluoro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide

HRID 2392002
Notes
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Reaction equation

HRID 2392002 reaction equation
[F:1][C:2]1[CH:3]=[N:4][N:5]([CH3:15])[C:6]=1[C:7]1[CH:8]=[C:9]([C:12]([OH:14])=O)[S:10][CH:11]=1.[NH2:16][C@@H:17]([CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=1[C:37]([F:40])([F:39])[F:38])[CH2:18][N:19]1[C:27](=[O:28])[C:26]2[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=2)[C:20]1=[O:29].C(N(C(C)C)CC)(C)C.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F>C(Cl)Cl>[O:28]=[C:27]1[C:26]2[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=2)[C:20](=[O:29])[N:19]1[CH2:18][C@@H:17]([NH:16][C:12]([C:9]1[S:10][CH:11]=[C:7]([C:6]2[N:5]([CH3:15])[N:4]=[CH:3][C:2]=2[F:1])[CH:8]=1)=[O:14])[CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=1[C:37]([F:39])([F:38])[F:40]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 578265364-(4-fluoro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic AcidHCID 578268082-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826724
N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(4-fluoro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide
Yield 65.2%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 4-(4-fluoro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (84 mg, 0.372 mmol), 2-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (130 mg, 0.372 mmol)[from Preparation 6], diisopropylethyl amine (323 uL, 1.86 mmol) in DCM (4 mL) was added PyBrop (208 mg, 0.446 mmol) in one portion. After 1 h, the reaction contents were partitioned between H2O/DCM. The aqueous phase was washed several times with DCM and the combined organic fractions were dried over Na2SO4, concentrated and purified via column chromatography (silica, 0.5% MeOH-DCM) affording the title compound (135 mg, 65%) as a white solid: LCMS (ES) m/z=557 (M+H)+.

Workup

  1. customthe reaction contents
  2. customwere partitioned between H2O/DCM
  3. washThe aqueous phase was washed several times with DCM
  4. dry with materialthe combined organic fractions were dried over Na2SO4
  5. concentrationconcentrated
  6. custompurified via column chromatography (silica, 0.5% MeOH-DCM)

Sources & evidence

ORD record
ord-402c31b068374fe184e0f493cafa9499
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08273782B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes