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Hydrochloric Acid → 2-(2-Chloro-4-fluoro-5-methoxycarbonylaminophenoxy)phenol

HRID 433737
Notes
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Reaction equation

HRID 433737 reaction equation
[Cl:1][C:2]1[C:8]([O:9][C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=2[OH:16])=[CH:7][C:5]([NH2:6])=[C:4]([F:17])[CH:3]=1.Cl[C:19]([O:21][CH3:22])=[O:20].CN(C)C1C=CC=CC=1.Cl>O1CCCC1>[Cl:1][C:2]1[CH:3]=[C:4]([F:17])[C:5]([NH:6][C:19]([O:21][CH3:22])=[O:20])=[CH:7][C:8]=1[O:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=1[OH:16]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 949N,N-DimethylanilineHCID 6586Methyl chloroformateHCID 187592804-Chloro-2-fluoro-5-(2-hydroxyphenoxy)aniline

Product 1

HCID 187593032-(2-Chloro-4-fluoro-5-methoxycarbonylaminophenoxy)phenol

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

Into a mixture of 4-chloro-2-fluoro-5-(2-hydroxyphenoxy)aniline [Intermediate Compound A3-4], methyl chloroformate and tetrahydrofuran is added dropwise N,N-dimethylaniline, and the mixture is stirred at room temperature. Dilute hydrochloric acid is added to the reaction solution, and this is extracted with ethyl acetate. The organic layer is washed with saturated saline, dried over anhydrous magnesium sulfate, and concentrated to obtain 2-(2-chloro-4-fluoro-5-methoxycarbonylaminophenoxy)phenol [Intermediate compound A9-4].

Workup

  1. extractionthis is extracted with ethyl acetate
  2. washThe organic layer is washed with saturated saline
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-bdba4a754ed642dbb1ca9bf320b28781
Source dataset
uspto-grants-2003_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06667413B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes