Trifluoroacetic acid → n-(4-Amino-3-methylphenyl) {[(5-chloro(2-thienyl))sulfonyl]amino}-carboxamide

HRID 1437552Notes

Reaction equation

HRID 1437552 reaction equation
C(OC([NH:8][C:9]1[CH:14]=[CH:13][C:12]([NH:15][C:16]([NH:18][S:19]([C:22]2[S:23][C:24]([Cl:27])=[CH:25][CH:26]=2)(=[O:21])=[O:20])=[O:17])=[CH:11][C:10]=1[CH3:28])=O)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[NH2:8][C:9]1[CH:14]=[CH:13][C:12]([NH:15][C:16]([NH:18][S:19]([C:22]2[S:23][C:24]([Cl:27])=[CH:25][CH:26]=2)(=[O:21])=[O:20])=[O:17])=[CH:11][C:10]=1[CH3:28]

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 22064442N-(4-[(tert-butoxy)carbonylamino]-3-methylphenyl}{[(5-chloro(2-thienyl))sulfonyl]amino}carboxamide

Product 1

HCID 22064409n-(4-Amino-3-methylphenyl) {[(5-chloro(2-thienyl))sulfonyl]amino}-carboxamideYield 136.7%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a chilled solution of N-{4-[(tert-butoxy)carbonylamino]-3-methylphenyl}{[(5-chloro(2-thienyl))sulfonyl]amino}carboxamide (0.246 g, 0.55 mmol) in CH2Cl2 (5 mL) was added neat TFA (1.11 mL). The reaction mixture was stirred cold for 1.5 hr, concentrated in vacuo, azeotroped with heptane and dried to give N-(4-amino-3-methylphenyl){[(5-chloro(2-thienyl))sulfonyl]amino}-carboxamide (0.26 g) as the mono TFA salt. ES-MS (M+H)+=346.

Workup

  1. concentrationconcentrated in vacuo
  2. customazeotroped with heptane
  3. customdried

Sources & evidence

ORD record
ord-ba08f8473a1e4857bc0d22755c5172a2
Source dataset
uspto-grants-2009_11
Patent number
US07622474B2

Reaction notes

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