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

HRID 1845590
Notes
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Reaction equation

HRID 1845590 reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([OH:9])=O)=[CH:4][C:3]=1[C:10]1[N:14]([CH3:15])[N:13]=[CH:12][C:11]=1[Cl:16].[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>[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:17][C@@H:18]([CH2:31][C:32]2[CH:37]=[CH:36][CH:35]=[C:34]([C:38]([F:41])([F:39])[F:40])[CH:33]=2)[CH2:19][N:20]2[C:21](=[O:30])[C:22]3[C:27](=[CH:26][CH:25]=[CH:24][CH:23]=3)[C:28]2=[O:29])=[O:9])=[CH:4][C:3]=1[C:10]1[N:14]([CH3:15])[N:13]=[CH:12][C:11]=1[Cl:16]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 2761473Boc-2-(trifluoromethyl)-L-phenylalanineHCID 578267855-Chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acidHCID 670660602-{(2S)-2-amino-3-[3-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826767
5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[3-(trifluoromethyl)phenyl]methyl}ethyl)-2-thiophenecarboxamide
Yield 56%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

To a 50 mL round-bottomed flask was added 5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (264 mg, 0.95 mmol) [prepared according to the procedure of Example 96], 2-{(2S)-2-amino-3-[3-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (306 mg, 0.80 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 (450 mg, 0.96 mmol) in chloroform (7 mL). DIEA (660 μl, 3.78 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 (303 mg, 0.44 mmol, 56%): LC-MS (ES) m/z=607 (M+H)+.

Workup

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

Sources & evidence

ORD record
ord-012b4f27922f48f6ae865417acdd3d49
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