Acetic Anhydride → HCID 12968335, compound

HRID 568171Notes

Reaction equation

[NH2:1][C:2]1[N:10]=[C:9]2[C:5]([C:6]([C:18]3[CH:23]=[CH:22][N:21]=[CH:20][CH:19]=3)=[C:7]([C:11]3[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=3)[NH:8]2)=[CH:4][CH:3]=1.[C:24](OC(=O)C)(=[O:26])[CH3:25]>C(OCC)(=O)C>[O:26]=[C:24]([NH:1][C:2]1[N:10]=[C:9]2[C:5]([C:6]([C:18]3[CH:23]=[CH:22][N:21]=[CH:20][CH:19]=3)=[C:7]([C:11]3[CH:12]=[CH:13][C:14]([F:17])=[CH:15][CH:16]=3)[NH:8]2)=[CH:4][CH:3]=1)[CH3:25]

Participants

Conditions

Temperature: 23 °C

Procedure

6-Amino-3-(4-pyridyl)-2-(4-fluorophenyl)-7-aza-indole (17) (50 mg, 0.164 mmol) and acetic anhydride (0.5 mL) were warmed to 60° C. for 1 h. After cooling to 23° C., the reaction was diluted with ethyl acetate (50 mL), washed with NaOH (1N, 50 mL), and dried (Na2SO4). Concentration in vacuc afforded 6-(1′-oxo-ethylamino)-3-(4-pyridyl)-2-(4-fluorophenyl)-7-aza-indole (57): Mass Spectrum (CI) 347 (MH+).

Workup

washwashed with NaOH (1N, 50 mL)
dry with materialdried (Na2SO4)
concentrationConcentration in vacuc

Sources & evidence

ORD record: ord-b26535d565a948c4926ba3608d6bb199
Source dataset: uspto-grants-2001_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06180643B2

Reaction notes

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