Phthalic Anhydride → STK266267

HRID 2351560Notes

Reaction equation

HRID 2351560 reaction equation
[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([NH2:11])=[C:8]([OH:10])[CH:9]=1)([O-:3])=[O:2].[C:12]1(=O)[O:17][C:15](=[O:16])[C:14]2=[CH:18][CH:19]=[CH:20][CH:21]=[C:13]12>C(O)(=O)C>[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([N:11]2[C:15](=[O:16])[C:14]3=[CH:18][CH:19]=[CH:20][CH:21]=[C:13]3[C:12]2=[O:17])=[C:8]([OH:10])[CH:9]=1)([O-:3])=[O:2]

Participants

4

Reactant 2

HCID 6811Phthalic AnhydrideHCID 49847212-Amino-5-Nitrophenol

Product 1

HCID 4679558STK266267

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

231 g (1.5 mol) of 5-nitro-2-aminophenol and 444 g (3 mol) of phthalic acid anhydride were stirred together in 2.25 liters of acetic acid at boiling point for 2.5 hours. The product was suction filtered at room temperature, washed with water and dried. Yield: 420 g=98.5%.

Workup

  1. customfor 2.5 hours
  2. filtrationfiltered at room temperature
  3. washwashed with water
  4. customdried

Sources & evidence

ORD record
ord-a83c4f268ace4616bc7393fa0cb8c968
Source dataset
uspto-grants-1989_10
Patent number
US04873338

Reaction notes

Loading…