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Ammonium Hydroxide → tert-butyl 5-(2-[(3-phenyl)phenyl]-6-hydroxy-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate

HRID 1808480
Notes
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Reaction equation

HRID 1808480 reaction equation
C([O:4][C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][C:14]=1[O:15][CH3:16])[N:11]=[C:10]([C:17]1[CH:22]=[CH:21][CH:20]=[C:19]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[CH:18]=1)[N:9]=[C:8]2[NH:29][C:30]1[CH:31]=[C:32]2[C:36](=[CH:37][CH:38]=1)[N:35]([C:39]([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])=[O:40])[N:34]=[CH:33]2)(=O)C.[NH4+].[OH-]>CO>[C:23]1([C:19]2[CH:18]=[C:17]([C:10]3[N:9]=[C:8]([NH:29][C:30]4[CH:31]=[C:32]5[C:36](=[CH:37][CH:38]=4)[N:35]([C:39]([O:41][C:42]([CH3:43])([CH3:44])[CH3:45])=[O:40])[N:34]=[CH:33]5)[C:7]4[C:12](=[CH:13][C:14]([O:15][CH3:16])=[C:5]([OH:4])[CH:6]=4)[N:11]=3)[CH:22]=[CH:21][CH:20]=2)[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 14923Ammonium HydroxideHCID 59361986tert-butyl 5-(6-acetoxy-2-[(3-phenyl)phenyl)-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate

Product 1

HCID 59361909tert-butyl 5-(2-[(3-phenyl)phenyl]-6-hydroxy-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylateYield 110.1%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

To a mixture of tert-butyl 5-(6-acetoxy-2-[(3-phenyl)phenyl)-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate (4.30 g, 7.15 mmole) in CH3OH (300 mL) was added 28% NH4OH, and the reaction was stirred at RT for 16 h. The solution was concentrated in vacuo and the resulting solid was triturated with toluene and then hexane, followed by filtration to give tert-butyl 5-(2-[(3-phenyl)phenyl]-6-hydroxy-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate (4.40 g, 7.87 mmole). MS 560 (M+1). HPLC retention time 7.62 mins.

Workup

  1. concentrationThe solution was concentrated in vacuo
  2. customthe resulting solid was triturated with toluene
  3. filtrationhexane, followed by filtration

Sources & evidence

ORD record
ord-5cf9df70fc574985aba14a70207a3fce
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08357693B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes