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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 236358Generated: October 29, 2026

Hydrochloric Acid → HCID 20189446, compound

https://huagongshe.com/reaction/236358

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 20189481HCID 20189481—
SolventMethanolHCID 887—
ProductHCID 20189446HCID 2018944693%

Reaction Steps

To a solution of 12.9 g. (52.2 mmoles) of 1-ethyl-5-(2-carbomethoxyethyl)oxindole in 53 ml. of methanol was added 112.5 ml. of 1N sodium hydroxide solution. After stirring for 1 hour the reaction mixture was acidified by the addition of 165 ml. of 1N hydrochloric acid. The precipitated product was filtered and dried, 11.39 g. (93% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04644005
Source datasetuspto-grants-1987_02
ORD IDord-f3f6d30e33a44daa9cfa2ca790b3334c
Source noteuspto-grants-1987_02