Acetic Anhydride → N-(1H-indazol-5-yl)acetamide

HRID 629683

Reaction equation

HRID 629683 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][N:6]=[CH:5]2.[CH3:11][C:12](OC(C)=O)=[O:13]>CC(O)=O>[C:12]([NH:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][N:6]=[CH:5]2)(=[O:13])[CH3:11]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 880121H-Indazol-5-amine

Product 1

HCID 17164245N-(1H-indazol-5-yl)acetamide

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

By referring to the Step 3 of Example 1, 5-aminoindazole (5 g, 37.6 mmol), AcOH (20 mL) and Ac2O (5 mL), were used, concentrated to obtain a crude product that was directly used in the next step of reaction.

Workup

  1. concentrationconcentrated

Sources & evidence

ORD record
ord-5100238853db41c9817ea6e4d1665afe
Source dataset
uspto-grants-2016_04
Patent number
US09315513B2

Linked notes

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