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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1411299Generated: October 31, 2026

Hydrochloric Acid → HCID 90449575, compound

https://huagongshe.com/reaction/1411299

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantWaterHCID 962—
ReactantSodium BicarbonateHCID 516892—
ReactantHCID 131732216HCID 131732216—
SolventAcetoneHCID 180—
ProductHCID 90449575HCID 9044957582.2%

Reaction Conditions

Temperature50 °C

Reaction Steps

1′-Acetyl-N-(5-chlorothiazol-2-yl)-5-(2-methoxyvinyl)spiro[indoline-3,3′-pyrrolidine]-1-carboxamide (83 mg, 0.192 mmol) was dissolved in acetone (3 mL). Thereafter, 6 N hydrochloric acid (1.5 mL) was added to the above obtained solution, and the thus obtained mixture was then stirred at 50° C. for 2 hours. Thereafter, saturated sodium hydrogen carbonate and water were added to the reaction solution, and the mixed solution was then extracted with ethyl acetate. The organic layer was washed with brine, and was then dried over anhydrous sodium sulfate, followed by concentration in vacuo, to obtain 1′-acetyl-N-(5-chlorothiazol-2-yl)-5-(2-oxoethyl)spiro[indoline-3,3′-pyrrolidine]-1-carboxamide (66.1 mg, 82%) in the form of a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08921576B2
Source datasetuspto-grants-2014_12
ORD IDord-680bd7613dd64103b310766488ba168b
Source noteuspto-grants-2014_12