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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1294362Generated: November 3, 2026

Hydrochloric Acid → 2-(trans)-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]cyclopropanecarboxylic Acid

https://huagongshe.com/reaction/1294362

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(trans)-2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-cyclopropanecarboxylic acid ethyl esterHCID 66578250—
SolventSodium HydroxideHCID 14798—
Product2-(trans)-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]cyclopropanecarboxylic AcidHCID 67494736—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of ester from step 2 and NaOH (20%, 30 mL) was heated to 100° C. for 1.5 h, cooled to rt, acidified with HCl 10% and extracted with EtOAc. The organic extract was dried over Na2SO4 and the solvent evaporated to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238706B2
Source datasetuspto-grants-2007_07
ORD IDord-d15eab87939f488b96d245097202188f
Source noteuspto-grants-2007_07