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Formic Acid → 2-Hydroxy-5-[[4-[(5-methyl-3-isoxazolyl)aminosulfonyl]phenyl]ethynyl]benzoic acid

HRID 1464183
Notes
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Reaction equation

HRID 1464183 reaction equation
[OH:1][C:2]1[CH:12]=[CH:11][C:10]([C:13]#[C:14][C:15]2[CH:20]=[CH:19][C:18]([S:21]([NH:24][C:25]3[CH:29]=[C:28]([CH3:30])[O:27][N:26]=3)(=[O:23])=[O:22])=[CH:17][CH:16]=2)=[CH:9][C:3]=1[C:4]([O:6]CC)=[O:5].[OH-].[K+].C(O)C.C(O)=O>O>[OH:1][C:2]1[CH:12]=[CH:11][C:10]([C:13]#[C:14][C:15]2[CH:20]=[CH:19][C:18]([S:21]([NH:24][C:25]3[CH:29]=[C:28]([CH3:30])[O:27][N:26]=3)(=[O:23])=[O:22])=[CH:17][CH:16]=2)=[CH:9][C:3]=1[C:4]([OH:6])=[O:5]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 284Formic AcidHCID 702EthanolHCID 14797Potassium HydroxideHCID 19423380Ethyl 2-hydroxy-5-[[4-[(5-methyl-3-isoxazolyl)aminosulfonyl]phenyl]ethynyl]benzoate

Product 1

HCID 194233722-Hydroxy-5-[[4-[(5-methyl-3-isoxazolyl)aminosulfonyl]phenyl]ethynyl]benzoic acid

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Procedure

Ethyl 2-hydroxy-5-[[4-[(5-methyl-3-isoxazolyl)aminosulfonyl]phenyl]ethynyl]benzoate (1.5 g) was added to a boiling solution of potassium hydroxide (6 g, 92 mmol) in water (100 ml). After 5 min, ethanol (25 ml) was added and the solution acidified with formic acid. The precipitate was collected by filtration, washed with water and dried. Yield 1.4 g, quantitative.

Workup

  1. filtrationThe precipitate was collected by filtration
  2. washwashed with water
  3. customdried

Sources & evidence

ORD record
ord-ed5f4949a41f452b960807a606280e37
Source dataset
uspto-grants-1994_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05302718

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes