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

HRID 1961225
Notes
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Reaction equation

HRID 1961225 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]=[C:36]([F:38])[CH:35]=[CH:34][C:33]=1[F:39])[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].FC1C=CC=C(F)C=1C[C@@H](C(O)=O)N.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)(Cl)Cl>[F:39][C:33]1[CH:34]=[CH:35][C:36]([F:38])=[CH:37][C:32]=1[CH2:31][C@H:18]([NH:17][C:13]([C:9]1[S:10][C:11]([CH3:12])=[C:7]([C:6]2[N:2]([CH3:1])[N:3]=[CH:4][C:5]=2[CH3:16])[CH:8]=1)=[O:15])[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]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 7163042,6-Difluoro-l-phenylalanineHCID 2733179PyBroPHCID 578266574-(1,4-dimethyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acidHCID 670660702-[(2S)-2-amino-3-(2,5-difluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826722
N-{(1S)-2-(2,5-difluorophenyl)-1-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]ethyl}-4-(1,4-dimethyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamide
Yield 67.1%

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 (208 mg, 0.88 mmol) [prepared according to the procedure of Example 164], 2-[(2S)-2-amino-3-(2,5-difluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (288 mg, 0.82 mmol) [prepared according to the procedure of Preparation 18 except substituting 2,5-difluoro-L-phenylalanine (3.02 g, 15.0 mmol) for 2,6-difluoro-L-phenylalanine] and PyBrop (503 mg, 1.07 mmol) in Chloroform (8.5 mL). DIEA (770 μL, 4.41 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 (292 mg, 0.55 mmol, 62%): LC-MS (ES) m/z=535 (M+H)+.

Workup

  1. customprepared
  2. customprepared
  3. customaccording to the procedure of Preparation 18
  4. custompurified via column chromatography (25-70% EtOAc/Hex)

Sources & evidence

ORD record
ord-b2c2de1e1a61449e86649c7a95bba05e
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08410158B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes