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Acetic Anhydride → HCID 10836951, compound

HRID 1290175
Notes
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Reaction equation

HRID 1290175 reaction equation
Cl.Cl.[NH2:3][C:4]1[C:5]([Cl:24])=[C:6]([C:20]([Cl:23])=[CH:21][CH:22]=1)[CH2:7][O:8][C:9]1[C:10]2[N:11]([C:15]([Br:19])=[C:16]([CH3:18])[N:17]=2)[CH:12]=[CH:13][CH:14]=1.[C:25](OC(=O)C)(=[O:27])[CH3:26]>N1C=CC=CC=1>[C:25]([NH:3][C:4]1[C:5]([Cl:24])=[C:6]([C:20]([Cl:23])=[CH:21][CH:22]=1)[CH2:7][O:8][C:9]1[C:10]2[N:11]([C:15]([Br:19])=[C:16]([CH3:18])[N:17]=2)[CH:12]=[CH:13][CH:14]=1)(=[O:27])[CH3:26]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 189233178-(3-Amino-2,6-dichlorobenzyloxy)-3-bromo-2-methylimidazo[1,2-a]pyridine dihydrochloride

Product 1

HCID 10836951HCID 10836951, compoundYield 69.5%

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Conditions

Temperature
90 °C

Procedure

A mixture of 8-(3-amino-2,6-dichlorobenzyloxy)-3-bromo-2-methylimidazo[1,2-a]pyridine dihydrochloride (100 mg) and acetic anhydride (100 mg) in dry pyridine (2 ml) was stirred at 90° C. for one hour. The cooled mixture was poured into an ice water (10 ml). The precipitated solid was collected, washed with water, and dried under reduced pressure to give 8-(3-acetylamino-2,6-dichlorobenzyloxy)-3-bromo-2-methylimidazo[1,2-a]pyridine (65 mg) as a solid.

Workup

  1. customThe precipitated solid was collected
  2. washwashed with water
  3. customdried under reduced pressure

Sources & evidence

ORD record
ord-0ac6bc814fe44da08a1a224c1ef93e34
Source dataset
uspto-grants-1998_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05750699

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes