Water → HCID 18973187, compound

HRID 2394289Notes

Reaction equation

HRID 2394289 reaction equation
[Cl:1][C:2]1[C:11]([Cl:12])=[C:10]2[C:5]([C:6](=[O:26])[C:7]([C:21]([O:23]CC)=[O:22])=[CH:8][N:9]2[C:13]2[CH:18]=[CH:17][C:16]([F:19])=[CH:15][C:14]=2[F:20])=[CH:4][N:3]=1.O.S(=O)(=O)(O)O>C(O)(=O)C>[Cl:1][C:2]1[C:11]([Cl:12])=[C:10]2[C:5]([C:6](=[O:26])[C:7]([C:21]([OH:23])=[O:22])=[CH:8][N:9]2[C:13]2[CH:18]=[CH:17][C:16]([F:19])=[CH:15][C:14]=2[F:20])=[CH:4][N:3]=1

Participants

5

Reactant 3

HCID 962WaterHCID 1118Sulfuric AcidHCID 18973193HCID 18973193, compound

Product 1

HCID 18973187HCID 18973187, compound

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

8.6 g (0.022 mol) of ethyl 7,8-dichloro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylate are heated at reflux in a mixture of 29 ml of acetic acid, 29 ml of water and 2.9 ml of concentrated sulphuric acid for two hours. The cooled mixture is put into ice-water, and the product is isolated and washed with water.

Workup

  1. customthe product is isolated
  2. washwashed with water

Sources & evidence

ORD record
ord-29fd9a4a3f474e59a5acb51b32816f3b
Source dataset
uspto-grants-1998_09
Patent number
US05811433

Reaction notes

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