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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2225781Generated: November 1, 2026

Sodium Hydroxide → HCID 19004518, compound

https://huagongshe.com/reaction/2225781

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantHCID 53951412HCID 53951412—
SolventMethanolHCID 887—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
ProductHCID 19004518HCID 1900451893.2%

Reaction Steps

A solution of 2,6-dimethoxy-4-[2-(2-naphthalenyloxy)ethoxy]-alpha-oxobenzeneacetic acid methyl ester (0.5 g) in warm methanol (10 mL) and tetrahydrofuran (10 mL) was treated with 1N sodium hydroxide (2 mL) and after 10 minutes the mixture was diluted with water and concentrated to remove the organic solvents. The residue was acidified with excess hydrochloric acid and extracted with dichloromethane containing a little tetrahydrofuran. The organic layer was washed with water, dried (Na2SO4), filtered and evaporated to give crude product. Crystallization from dichloromethane-hexane provided 0.45 g of purified 2,6-dimethoxy-4-[2-(2-naphthalenyloxy)ethoxy]-alpha-oxobenzeneacetic acid as a yellow solid, mp 154° C. with decomposition. Analysis Calculated for C22H20O7 : C, 66.66; H, 5.09.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05344843
Source datasetuspto-grants-1994_09
ORD IDord-3919a25346e14e03b5163f303b8bf517
Source noteuspto-grants-1994_09