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Hydroxyamine hydrochloride → HCID 18321776, compound

HRID 613630
Notes
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Reaction equation

HRID 613630 reaction equation
[Cl:1][C:2]1[C:7]([CH2:8][O:9][C:10]2[CH:11]=[CH:12][CH:13]=[C:14]3[C:19]=2[N:18]=[C:17]([CH3:20])[CH:16]=[C:15]3[N:21]2[CH:25]=[CH:24][CH:23]=[N:22]2)=[C:6]([Cl:26])[CH:5]=[CH:4][C:3]=1[N:27]1[CH:31]=[CH:30][CH:29]=[C:28]1[CH:32]=O.Cl.[NH2:35][OH:36].C([O-])(=O)C.[Na+]>C(O)C>[Cl:1][C:2]1[C:7]([CH2:8][O:9][C:10]2[CH:11]=[CH:12][CH:13]=[C:14]3[C:19]=2[N:18]=[C:17]([CH3:20])[CH:16]=[C:15]3[N:21]2[CH:25]=[CH:24][CH:23]=[N:22]2)=[C:6]([Cl:26])[CH:5]=[CH:4][C:3]=1[N:27]1[CH:31]=[CH:30][CH:29]=[C:28]1/[CH:32]=[N:35]/[OH:36].[Cl:1][C:2]1[C:7]([CH2:8][O:9][C:10]2[CH:11]=[CH:12][CH:13]=[C:14]3[C:19]=2[N:18]=[C:17]([CH3:20])[CH:16]=[C:15]3[N:21]2[CH:25]=[CH:24][CH:23]=[N:22]2)=[C:6]([Cl:26])[CH:5]=[CH:4][C:3]=1[N:27]1[CH:31]=[CH:30][CH:29]=[C:28]1/[CH:32]=[N:35]\[OH:36]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 443297Hydroxyamine hydrochlorideHCID 517045Sodium AcetateHCID 18321810HCID 18321810, compound

Product 2

HCID 18321776HCID 18321776, compoundHCID 86755000HCID 86755000, compound

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Conditions

Temperature
60 °C

Procedure

A mixture of 1-[2,4-dichloro-3-[2-methyl-4-(pyrazol-1-yl)quinolin-8-yloxymethyl]phenyl]-2-formylpyrrole (80 mg), hydroxylamine hydrochloride (18 mg), sodium acetate (21 mg) and ethanol (60° solution in water, 1.5 ml) was stirred at 60° C. for 1 hour. After cooling to ambient temperature, the reaction mixture was concentrated in vacuo. The residue was dissolved in ethyl acetate, washed with water and brine, dried over magnesium sulfate and evaporated in vacuo. The residue was purified by preparative thin-layer chromatography (n-hexane:ethyl acetate=1:1, V/V) to give 1-[2,4-dichloro-3-[2-methyl-4-(pyrazol-1-yl)quinolin-8-yloxymethyl]phenyl]-2-((E)-hydroxyiminomethyl)pyrrole (45 mg) as an amorphous powder and 1-[2,4-dichloro-3-[2-methyl-4-(pyrazol-1-yl)quinolin-8-yloxymethyl]phenyl]-2-((Z) -hydroxyiminomethyl)pyrrole (14 mg) as an amorphous powder.

Workup

  1. temperatureAfter cooling to ambient temperature
  2. concentrationthe reaction mixture was concentrated in vacuo
  3. dissolutionThe residue was dissolved in ethyl acetate
  4. washwashed with water and brine
  5. dry with materialdried over magnesium sulfate
  6. customevaporated in vacuo
  7. customThe residue was purified by preparative thin-layer chromatography (n-hexane:ethyl acetate=1:1, V/V)

Sources & evidence

ORD record
ord-2d3b0b48dba247b2805cd8bc909443c4
Source dataset
uspto-grants-1999_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06008229

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes