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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1908374Generated: October 28, 2026

Hydrochloric Acid → HCID 59129303, compound

https://huagongshe.com/reaction/1908374

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantLithium HydroxideHCID 3939—
ReactantHCID 59129295HCID 59129295—
SolventMethanolHCID 887—
SolventWaterHCID 962—
ProductHCID 59129303HCID 5912930387%

Reaction Conditions

Temperature45 °C

Reaction Steps

To a solution of methyl 1-(1H-indol-5-yl)cyclopropanecarboxylate (1.74 g, 8 mmol) in CH3OH (50 mL) and water (20 mL) was added LiOH (1.7 g, 0.04 mol). The mixture was heated at 45° C. for 3 hr. Water was added and the mixture was acidified with concentrated HCl to pH 3 before being extracted with EtOAc (20 mL×3). The organic layers were dried over anhydrous Na2SO4 and evaporated to give 1-(1H-indol-5-yl)cyclopropanecarboxylic acid (1.4 g, 87%). 1H NMR (300 MHz, DMSO-d6) 7.43 (s, 1H), 7.30-7.26 (m, 2H), 7.04 (dd, J=1.5, 8.4 Hz, 1H), 6.35 (s, 1H), 1.45-1.41 (m, 2H), 1.14-1.10 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08598181B2
Source datasetuspto-grants-2013_12
ORD IDord-60337e6b3acb4dc3a83a5e2b7462415b
Source noteuspto-grants-2013_12