4-(p-Carboxyanilino)-3-nitro-5-sulphamyl-benzoic acid → 3-Amino-4-(p-carboxyanilino)-5-sulphamyl-benzoic acid

HRID 1287739Notes

Reaction equation

HRID 1287739 reaction equation
[C:1]([C:4]1[CH:26]=[CH:25][C:7]([NH:8][C:9]2[C:17]([S:18](=[O:21])(=[O:20])[NH2:19])=[CH:16][C:12]([C:13]([OH:15])=[O:14])=[CH:11][C:10]=2[N+:22]([O-])=O)=[CH:6][CH:5]=1)([OH:3])=[O:2].N(C1C(S(=O)(=O)N)=CC(C(O)=O)=CC=1[N+]([O-])=O)C1C=CC=CC=1>>[NH2:22][C:10]1[CH:11]=[C:12]([CH:16]=[C:17]([S:18](=[O:21])(=[O:20])[NH2:19])[C:9]=1[NH:8][C:7]1[CH:6]=[CH:5][C:4]([C:1]([OH:3])=[O:2])=[CH:26][CH:25]=1)[C:13]([OH:15])=[O:14]

Participants

3

Reactant 2

HCID 215060614-(p-Carboxyanilino)-3-nitro-5-sulphamyl-benzoic acidHCID 215060714-Anilino-3-nitro-5-sulphamyl-benzoic acid

Product 1

HCID 215061263-Amino-4-(p-carboxyanilino)-5-sulphamyl-benzoic acid

Procedure

By substituting 4-(p-carboxyanilino)-3-nitro-5-sulphamyl-benzoic acid for the 4-anilino-3-nitro-5-sulphamyl-benzoic acid of Example 9 B, the above compound was obtained with a melting point of 262° C (decomp.) after drying in vacuo at 115°C.

Workup

  1. customthe above compound was obtained with a melting point of 262° C (decomp.)
  2. customafter drying in vacuo at 115°C.

Sources & evidence

ORD record
ord-c7d422ff4aba494780ef00acc574ab20
Source dataset
uspto-grants-1976_10
Patent number
US03985777

Reaction notes

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