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

HRID 1845566
Notes
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Reaction equation

HRID 1845566 reaction equation
[CH3:1][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][CH:11]=1.[NH2:16][C@@H:17]([CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[C:33]([F:37])[CH:32]=1)[CH2:18][N:19]1[C:27](=[O:28])[C:26]2[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=2)[C:20]1=[O:29].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>[O:29]=[C:20]1[C:21]2[C:26](=[CH:25][CH:24]=[CH:23][CH:22]=2)[C:27](=[O:28])[N:19]1[CH2:18][C@@H:17]([NH:16][C:7]([C:5]1[S:6][C:2]([CH3:1])=[C:3]([C:10]2[N:14]([CH3:15])[N:13]=[CH:12][CH:11]=2)[CH:4]=1)=[O:9])[CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[C:33]([F:37])[CH:32]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 2761473Boc-2-(trifluoromethyl)-L-phenylalanineHCID 578265125-methyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acidHCID 58226866(S)-2-(2-amino-3-(3-fluorophenyl)propyl)isoindoline-1,3-dione

Product 1

HCID 57826523
N-{(1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-[(3-fluorophenyl)methyl]ethyl}-5-methyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide
Yield 57.2%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

To a 50 mL round-bottomed flask was added 5-methyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (200 mg, 0.90 mmol) [Prepared according to the procedure of Example 151], 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (291 mg, 0.87 mmol) [Prepared according to the procedure of preparation 6 except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-fluoro-L-phenylalanine (5.03 g, 17.8 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (512 mg, 1.09 mmol) in Chloroform (9 mL). DIEA (790 μL, 4.52 mmol) was added and the mixture stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (250 mg, 50%): LC-MS (ES) m/z=503 (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-f6dfa0b542c14577ba46efc83629a625
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