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Trifluoroacetic acid → N-(2-{[(2-amino-1,3-thiazol-4-yl)methyl]thio}-5-chlorophenyl)-1-benzofuran-2-sulfonamide

HRID 332141
Notes
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Reaction equation

HRID 332141 reaction equation
[O:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[CH:3]=[C:2]1[S:10]([NH:13][C:14]1[CH:19]=[C:18]([Cl:20])[CH:17]=[CH:16][C:15]=1[S:21][CH2:22][C:23]1[N:24]=[C:25]([NH:28]C(=O)OC(C)(C)C)[S:26][CH:27]=1)(=[O:12])=[O:11].C(O)(C(F)(F)F)=O>C(Cl)Cl>[NH2:28][C:25]1[S:26][CH:27]=[C:23]([CH2:22][S:21][C:15]2[CH:16]=[CH:17][C:18]([Cl:20])=[CH:19][C:14]=2[NH:13][S:10]([C:2]2[O:1][C:5]3[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=3[CH:3]=2)(=[O:12])=[O:11])[N:24]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 86667123Tert-butyl{4-[({2-[(1-benzofuran-2-ylsulfonyl)amino]-4-chlorophenyl}thio)methyl]-1,3-thiazol-2-yl}carbamate

Product 1

HCID 86667122N-(2-{[(2-amino-1,3-thiazol-4-yl)methyl]thio}-5-chlorophenyl)-1-benzofuran-2-sulfonamideYield 88%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A solution of tert-butyl {4-[({2-[(1-benzofuran-2-ylsulfonyl)amino]-4-chlorophenyl}thio)methyl]-1,3-thiazol-2-yl}carbamate Compound 11 (62 mg, 0.11 mmol), TFA (0.2 ml) in CH2Cl2 (1 ml) was stirred overnight. The solvent was removed in vacuo and the crude product was purified by column chromatography on silica gel (50% ethyl acetate in hexane) to afford the title compound (45 mg, 88%).

Workup

  1. customThe solvent was removed in vacuo
  2. customthe crude product was purified by column chromatography on silica gel (50% ethyl acetate in hexane)

Sources & evidence

ORD record
ord-0201bd235b4345ed850353d63527ef57
Source dataset
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08877804B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes