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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1903162Generated: November 2, 2026

Hydrochloric Acid → HCID 23313793, compound

https://huagongshe.com/reaction/1903162

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 57033336HCID 57033336—
SolventMethanolHCID 887—
ProductHCID 23313793HCID 2331379382.5%

Reaction Steps

21.4 g of 1,5-diacetamino-6-nitro-indoline were dissolved in 2.5 l of methanol, boiled under reflux overnight with 750 ml of 4 N hydrochloric acid in methanol and then evaporated. There were obtained 14.2 g (82.5% of theory) of 5-amino-6-nitro-indoline hydrochloride of melting point 259° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04435406
Source datasetuspto-grants-1984_03
ORD IDord-eb3370c1b93c40f0b0857897defcfb7d
Source noteuspto-grants-1984_03