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Methyl 2-(5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetate → Methyl 2-(2-amino-5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)phenyl)acetate

HRID 1424887
Notes
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Reaction equation

HRID 1424887 reaction equation
[CH:1]1([C:4]2[C:5]([N:24]([C:29]3[CH:30]=[CH:31][C:32]([N+:40]([O-])=O)=[C:33]([CH2:35][C:36]([O:38][CH3:39])=[O:37])[CH:34]=3)[S:25]([CH3:28])(=[O:27])=[O:26])=[CH:6][C:7]3[O:11][C:10]([C:12]4[CH:17]=[CH:16][C:15]([F:18])=[CH:14][CH:13]=4)=[C:9]([C:19](=[O:22])[NH:20][CH3:21])[C:8]=3[CH:23]=2)[CH2:3][CH2:2]1>C1COCC1.[Pd]>[NH2:40][C:32]1[CH:31]=[CH:30][C:29]([N:24]([C:5]2[C:4]([CH:1]3[CH2:2][CH2:3]3)=[CH:23][C:8]3[C:9]([C:19](=[O:22])[NH:20][CH3:21])=[C:10]([C:12]4[CH:13]=[CH:14][C:15]([F:18])=[CH:16][CH:17]=4)[O:11][C:7]=3[CH:6]=2)[S:25]([CH3:28])(=[O:27])=[O:26])=[CH:34][C:33]=1[CH2:35][C:36]([O:38][CH3:39])=[O:37]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 71258760Methyl 2-(5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetate

Product 1

HCID 131732332Methyl 2-(2-amino-5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)phenyl)acetateYield 65%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 8028Tetrahydrofuran
Solvent

Procedure

A solution of methyl 2-(5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methyl-carbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetate (1.00 g, 1.68 mmol) in THF (10 mL) was subjected to atmospheric hydrogenation in the presence of 20% palladium on charcoal. After 10 hours the reaction vessel was purged with nitrogen, catalyst removed by filtration through Celite, and the filtrate concentrated to dryness at reduced pressure. The crude material was subjected to flash chromatography (silica gel, hexane/EtOAc) to give the title compound in 65% yield. 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 7.84-7.92 (m, 2H) 7.68 (s, 1H) 7.39 (s, 1H) 7.23-7.30 (m, 3H) 7.18 (t, J=8.60 Hz, 2H) 6.66 (d, J=8.40 Hz, 1H) 5.84 (d, J=4.49 Hz, 1H) 4.11-4.19 (m, 2H) 3.68 (s, 3H) 3.52 (s, 2H) 3.14-3.20 (m, 3H) 2.94-3.02 (m, 3H) 2.21-2.30 (m, 1H) 0.96 (br. s., 2H). LCMS (m/z, ES+)=566 (M+H+).

Workup

  1. customAfter 10 hours the reaction vessel was purged with nitrogen, catalyst
  2. customremoved by filtration through Celite
  3. concentrationthe filtrate concentrated to dryness at reduced pressure

Sources & evidence

ORD record
ord-4610a230f3d647d7b6c5f33439e0a753
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08927593B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes