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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-[(4-fluorophenyl)methyl]ethyl}-5-methyl-2-thiophenecarboxamide

HRID 1961216
Notes
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Reaction equation

HRID 1961216 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][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>[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: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: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 670661152-[(2S)-2-amino-3-(4-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826766
4-(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}-5-methyl-2-thiophenecarboxamide
Yield 25%

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 (253 mg, 1.02 mmol) [prepared according to the procedure of Example 164], 2-[(2S)-2-amino-3-(4-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (335 mg, 1.00 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 (574 mg, 1.23 mmol) in chloroform (10 mL). DIEA (930 μL, 5.32 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 (132 mg, 0.25 mmol, 24%): LC-MS (ES) m/z=517 (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-34bb258a713b45699dfffa4b2e469d74
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