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

HRID 2392197
Notes
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Reaction equation

HRID 2392197 reaction equation
[Cl:1][C:2]1[C:6]([CH3:7])=[C:5]([C:8]2[CH:9]=[C:10]([C:13]([OH:15])=O)[S:11][CH:12]=2)[N:4]([CH3:16])[N:3]=1.[NH2:17][C@@H:18]([CH2:31][C:32]1[CH:37]=[CH:36][C:35]([F:38])=[CH:34][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[C:6]([CH3:7])=[C:5]([C:8]2[CH:9]=[C:10]([C:13]([NH:17][C@@H:18]([CH2:31][C:32]3[CH:33]=[CH:34][C:35]([F:38])=[CH:36][CH:37]=3)[CH2:19][N:20]3[C:28](=[O:29])[C:27]4[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=4)[C:21]3=[O:30])=[O:15])[S:11][CH:12]=2)[N:4]([CH3:16])[N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 2761473Boc-2-(trifluoromethyl)-L-phenylalanineHCID 578264594-(3-chloro-1,4-dimethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic AcidHCID 670661152-[(2S)-2-amino-3-(4-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826784
4-(3-chloro-1,4-dimethyl-1H-pyrazol-5-yl)-N-{(1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-[(4-fluorophenyl)methyl]ethyl}-2-thiophenecarboxamide
Yield 81%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

To a 50 mL round-bottomed flask was added 4-(3-chloro-1,4-dimethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (294 mg, 1.14 mmol), 2-[(2S)-2-amino-3-(4-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (409 mg, 1.22 mmol) [prepared according to the procedure of Preparation 6 except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-4-fluoro-L-phenylalanine (4.95 g, 17.5 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (645 mg, 1.38 mmol) in chloroform (10 mL). DIEA (1 mL, 5.73 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 (534 mg, 0.92 mmol, 81%): LC-MS (ES) m/z=537 (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-d77bb9f8f5a34b2e8038adff776f371f
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