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Methyl morpholine oxide → N-(1-benzyl-1H-indazol-4-yl)-6-(1,2-dihydroxyethyl)imidazo[1,2-a]pyridine-3-carboxamide

HRID 706764
Notes
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Reaction equation

HRID 706764 reaction equation
[CH2:1]([N:8]1[C:16]2[C:11](=[C:12]([NH:17][C:18]([C:20]3[N:24]4[CH:25]=C(C=C)[CH:27]=[CH:28][C:23]4=[N:22][CH:21]=3)=[O:19])[CH:13]=[CH:14][CH:15]=2)[CH:10]=[N:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C[N+]1([O-])CC[O:35]CC1.[CH3:39][C:40]([CH3:42])=[O:41].O>C(O)(C)(C)C.C(OCC)(=O)C.[Os](=O)(=O)(=O)=O>[CH2:1]([N:8]1[C:16]2[C:11](=[C:12]([NH:17][C:18]([C:20]3[N:24]4[CH:25]=[C:39]([CH:40]([OH:41])[CH2:42][OH:35])[CH:27]=[CH:28][C:23]4=[N:22][CH:21]=3)=[O:19])[CH:13]=[CH:14][CH:15]=2)[CH:10]=[N:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 82029Methyl morpholine oxideHCID 18366337Propan-2-one--water (1/1)HCID 67975918N-(1-benzyl-1H-indazol-4-yl)-6-vinylimidazo[1,2-a]pyridine-3-carboxamide

Product 1

HCID 67990296N-(1-benzyl-1H-indazol-4-yl)-6-(1,2-dihydroxyethyl)imidazo[1,2-a]pyridine-3-carboxamide

Reagents, catalysts & solvents 3

HCID 30318
Osmium Tetroxide
Catalyst
2×
HCID 6386tert-ButanolSolvent
HCID 8857Ethyl AcetateSolvent

Procedure

A mixture of N-(1-benzyl-1H-indazol-4-yl)-6-vinylimidazo[1,2-a]pyridine-3-carboxamide (63 mg; 0.16 mmol), osmium tetroxide (0.008 mmol; 2.5% solution in t-butanol) and N-methylmorpholine N-oxide (21 mg; 0.18 mmol) in acetone/water (3:2; 1 mL) was stirred at ambient temperature for 24 hours. Additional osmium tetroxide was added (250 μL of a 2.5% solution in t-butanol) and the mixture was stirred for an additional 24 hours. The mixture was diluted with ethyl acetate and solids were isolated by filtration. The material was purified by reverse phase chromatography (acetonitrile/water) to give the desired product as a solid (3.6 mg). MS (APCI), m/z=428.2 (M+H).

Workup

  1. stirringwas stirred for an additional 24 hours
  2. customsolids were isolated by filtration
  3. customThe material was purified by reverse phase chromatography (acetonitrile/water)

Sources & evidence

ORD record
ord-ad9e06af537744dab76e8097be96f854
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09174981B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes