Hydrochloric Acid → HCID 178517041, compound

HRID 432856Notes

Reaction equation

HRID 432856 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[CH2:3][C:2]1=[O:10].[NH:11]1[C:21]2[C:16](=[CH:17][CH:18]=[CH:19][CH:20]=2)[C:14](=O)[C:12]1=[O:13].Cl>C(O)(=O)C>[CH:18]1[CH:19]=[CH:20][C:21]2[NH:11][C:12](=[O:13])/[C:14](=[C:3]3\[C:4]4[CH:5]=[CH:6][CH:7]=[CH:8][C:9]=4[NH:1][C:2]\3=[O:10])/[C:16]=2[CH:17]=1

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 7054IsatinHCID 321710Oxindole

Product 1

HCID 178517041HCID 178517041, compoundYield 84%

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

Isoindigo was synthesized by reaction of oxindole with isatin in acetic acid with addition of hydrochloric acid (Wahl A., Bayard P., Comptes Rendues Hebdomadaires des Seances de L'Academie des Sciences, 148, (1909), 716-719).

Sources & evidence

ORD record
ord-1a54829ada544b70ae3a9849b168dfb4
Source dataset
uspto-grants-2003_12
Patent number
US06664285B1

Reaction notes

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