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Acetic Acid → (5-Benzylidene-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)acetic acid

HRID 414247
Notes
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Reaction equation

HRID 414247 reaction equation
[C:1]([CH2:4][N:5]1[C:9](=[O:10])[CH2:8][S:7][C:6]1=[S:11])([OH:3])=[O:2].C([O-])(=O)C.[Na+].C(O)(=O)C.[CH:21](=O)[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1>O>[C:1]([CH2:4][N:5]1[C:9](=[O:10])[C:8](=[CH:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[S:7][C:6]1=[S:11])([OH:3])=[O:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 176Acetic AcidHCID 240BenzaldehydeHCID 797933-Thiazolidineacetic acid, 4-oxo-2-thioxo-HCID 517045Sodium Acetate

Product 1

HCID 2769989(5-Benzylidene-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)acetic acidYield 50.1%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Procedure

A mixture of 955 mg of 3-carboxymethylrhodanine, 516 mg of sodium acetate, 10 ml of acetic acid and 637 mg of benzaldehyde was heat-refluxed for 2 hours. To the reaction mixture was added 20 ml of water, and the precipitated crystals were filtered. The resulting crystals were recrystallized from ethanol to obtain 699 mg of the titled compound.

Workup

  1. temperaturewas heat-refluxed for 2 hours
  2. filtrationthe precipitated crystals were filtered
  3. customThe resulting crystals were recrystallized from ethanol

Sources & evidence

ORD record
ord-a444ec43631545029d9c04c48a253cdf
Source dataset
uspto-grants-1988_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04791126

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes