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5-Amino-2-methoxyphenol → 5-Acetyl-thiophene-2-carboxylic acid (3-{3-[(3-hydroxy-4-methoxy-phenylamino)-methylene]-2-oxo-2,3-dihydro-1H-indole-6-carbonyl}-phenyl)-amide

HRID 640901
Notes
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Reaction equation

HRID 640901 reaction equation
O[CH:2]=[C:3]1[C:11]2[C:6](=[CH:7][C:8]([C:12]([C:14]3[CH:15]=[C:16]([NH:20][C:21]([C:23]4[S:24][C:25]([C:28](=[O:30])[CH3:29])=[CH:26][CH:27]=4)=[O:22])[CH:17]=[CH:18][CH:19]=3)=[O:13])=[CH:9][CH:10]=2)[NH:5][C:4]1=[O:31].[NH2:32][C:33]1[CH:34]=[CH:35][C:36]([O:40][CH3:41])=[C:37]([OH:39])[CH:38]=1>C1COCC1>[OH:39][C:37]1[CH:38]=[C:33]([NH:32][CH:2]=[C:3]2[C:11]3[C:6](=[CH:7][C:8]([C:12]([C:14]4[CH:15]=[C:16]([NH:20][C:21]([C:23]5[S:24][C:25]([C:28](=[O:30])[CH3:29])=[CH:26][CH:27]=5)=[O:22])[CH:17]=[CH:18][CH:19]=4)=[O:13])=[CH:9][CH:10]=3)[NH:5][C:4]2=[O:31])[CH:34]=[CH:35][C:36]=1[O:40][CH3:41]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 743145-Amino-2-methoxyphenolHCID 178466653HCID 178466653, compound

Product 1

HCID 732247155-Acetyl-thiophene-2-carboxylic acid (3-{3-[(3-hydroxy-4-methoxy-phenylamino)-methylene]-2-oxo-2,3-dihydro-1H-indole-6-carbonyl}-phenyl)-amideYield 59%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Conditions

Temperature
65 °C

Procedure

A small screw cap test tube was charged with 5-Acetyl-thiophene-2-carboxylic acid [3-(3-hydroxymethylene-2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide (prepared below, 100 mg, 0.231 mmol) and THF (2 mL). To the resulting solution was added 5-amino-2-methoxyphenol (35.39 mg, 0.254 mmol), and the mixture was stirred for 24 h at 65° C. Subsequently, the reaction mixture was cooled to room temperature. Hexanes were added to the reaction mixture. The solid precipitate that formed was washed with ˜1 mL of i-prOH yielding 59% (75 mg, 0.136 mmol) of the title compound.

Workup

  1. customA small screw cap test tube
  2. temperatureSubsequently, the reaction mixture was cooled to room temperature
  3. customThe solid precipitate that formed

Sources & evidence

ORD record
ord-d9276e9424494da49949b0e32278b534
Source dataset
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07692005B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes