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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 432856Generated: October 30, 2026

Hydrochloric Acid → HCID 178517041, compound

https://huagongshe.com/reaction/432856

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantIsatinHCID 7054—
ReactantOxindoleHCID 321710—
SolventAcetic AcidHCID 176—
ProductHCID 178517041HCID 17851704184%

Reaction Steps

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).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06664285B1
Source datasetuspto-grants-2003_12
ORD IDord-1a54829ada544b70ae3a9849b168dfb4
Source noteuspto-grants-2003_12