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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 435773Generated: October 29, 2026

Hydrochloric Acid → HCID 21481308, compound

https://huagongshe.com/reaction/435773

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl bromoacetateHCID 7748—
ReactantPotassium CarbonateHCID 11430—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 21481316HCID 21481316—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
ProductHCID 21481308HCID 21481308—

Reaction Conditions

Temperature55 °C

Reaction Steps

A stirred mixture of 4'-chloro-5'-methylspiro(cyclopentane-1,2'-indan)-1',3',6'-triol (4.0 g., 0.015 mole), potassium carbonate (3.6 g.) and ethyl bromoacetate (3.1 ml.) in dimethylformamide (35 ml.) is heated at 55° C. for one-half hour in an inert atmosphere, treated with water (50 ml.) and 10N sodium hydroxide (5 ml.) then heated at 95° for one-half hour and poured into cold dilute hydrochloric acid affording [1',3'-dihydroxy-4'-chloro-5'-methylspiro(cyclopentane-1,2'-indan)-6'-yloxy]acetic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04006180
Source datasetuspto-grants-1977_02
ORD IDord-2db7de6ddeda42ef8b9776250dc7b328
Source noteuspto-grants-1977_02