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

HRID 1845585
Notes
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Reaction equation

HRID 1845585 reaction equation
[CH3:1][N:2]1[C:6]([C:7]2[CH:8]=[C:9]([C:13]([OH:15])=O)[S:10][C:11]=2[CH3:12])=[C:5]([CH3:16])[CH:4]=[N:3]1.[NH2:17][C@@H:18]([CH2:31][C:32]1[CH:37]=[CH:36][CH:35]=[C:34]([C:38]([F:41])([F:40])[F:39])[CH:33]=1)[CH2:19][N:20]1[C:28](=[O:29])[C:27]2[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=2)[C:21]1=[O:30].CC(OC(N[C@H](C(O)=O)CC1C=CC=CC=1C(F)(F)F)=O)(C)C.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)(Cl)Cl>[CH3:1][N:2]1[C:6]([C:7]2[CH:8]=[C:9]([C:13]([NH:17][C@@H:18]([CH2:31][C:32]3[CH:37]=[CH:36][CH:35]=[C:34]([C:38]([F:41])([F:39])[F:40])[CH:33]=3)[CH2:19][N:20]3[C:21](=[O:30])[C:22]4[C:27](=[CH:26][CH:25]=[CH:24][CH:23]=4)[C:28]3=[O:29])=[O:15])[S:10][C:11]=2[CH3:12])=[C:5]([CH3:16])[CH:4]=[N:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 2761473Boc-2-(trifluoromethyl)-L-phenylalanineHCID 578266574-(1,4-dimethyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acidHCID 670660602-{(2S)-2-amino-3-[3-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826548
4-(1,4-dimethyl-1H-pyrazol-5-yl)-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[3-(trifluoromethyl)phenyl]methyl}ethyl)-5-methyl-2-thiophenecarboxamide
Yield 82.1%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

To a 50 mL round-bottomed flask was added 4-(1,4-dimethyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acid (170 mg, 0.68 mmol), 2-{(2S)-2-amino-3-[3-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (256 mg, 0.67 mmol) [prepared according to the procedure of Preparation 6 except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-(trifluoromethyl)-L-phenylalanine (4.98 g, 15.0 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (387 mg, 0.83 mmol) in chloroform (7 mL). DIEA (600 μL, 3.44 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (311 mg, 0.55 mmol, 80%): LC-MS (ES) m/z=567 (M+H)+.

Workup

  1. customprepared
  2. customaccording to the procedure of Preparation 6
  3. custompurified via column chromatography (25-70% EtOAc/Hex)

Sources & evidence

ORD record
ord-e8740078241049b2afb732e852539216
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08946278B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes