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

HRID 2272381
Notes
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Reaction equation

HRID 2272381 reaction equation
[CH:1]1([C:4]2[C:5]([N:24]([C:29]3[CH:30]=[CH:31][C:32]([N+:39]([O-:41])=[O:40])=[C:33]([CH2:35][C:36]([OH:38])=[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.[Si](C=[N+]=[N-])(C)(C)[CH3:43].CCCCCC>CN(C=O)C.CO.O>[CH:1]1([C:4]2[C:5]([N:24]([C:29]3[CH:30]=[CH:31][C:32]([N+:39]([O-:41])=[O:40])=[C:33]([CH2:35][C:36]([O:38][CH3:43])=[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
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8058HexaneHCID 167693TrimethylsilyldiazomethaneHCID 1317323312-(5-(N-(5-Cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetic acid

Product 1

HCID 71258760Methyl 2-(5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetateYield 70%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 21901440N,N-dimethylformamide methanolSolvent

Procedure

To a stirred solution of 2-(5-(N-(5-cyclopropyl-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-6-yl)methylsulfonamido)-2-nitrophenyl)acetic acid (2.00 g, 3.44 mmol) in 10 mL of 1:1 DMF/MeOH was added 2 M TMS-diazomethane in hexane (0.786 g, 6.88 mmol) at 0° C. and reaction mixture stirred for 2 h. The reaction was diluted with water and extracted into EtOAc. The ethyl acetate solution was washed with water, dried over sodium sulfate and evaporated to dryness to give the title compound in 70% yield. 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 8.04 (d, J=9.19 Hz, 1H) 7.88 (br. s., 0H) 7.80 (t, J=6.06 Hz, 2H) 7.46 (s, 1H) 7.44 (br. s., 1H) 7.28 (dd, J=9.18, 1.95 Hz, 1H) 7.08-7.18 (m, 3H) 6.13 (br. s., 1H) 3.88 (s, 2H) 3.62 (s, 3H) 3.29 (s, 3H) 2.93 (d, J=2.93 Hz, 3H) 2.88 (s, 2H) 2.79 (d, J=1.76 Hz, 1H) 1.82-1.93 (m, 1H) 0.67-0.98 (m, 3H) 0.49 (br. s., 1H). LCMS (m/z, ES+)=596 (M+H+).

Workup

  1. customreaction mixture
  2. extractionextracted into EtOAc
  3. washThe ethyl acetate solution was washed with water
  4. dry with materialdried over sodium sulfate
  5. customevaporated to dryness

Sources & evidence

ORD record
ord-bbce434f8eda442fa7f613c652fabefd
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09119868B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes