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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 29324Generated: October 28, 2026

Benzyl Bromide → 5-Ethyl-4-benzyloxy-3-methylbenzofuran-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/29324

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
ReactantEthyl 3-methyl-4-hydroxy-5-ethylbenzofuran-2-carboxylateHCID 68711669—
Product5-Ethyl-4-benzyloxy-3-methylbenzofuran-2-carboxylic acid ethyl esterHCID 6871402099.8%

Reaction Steps

According to the procedure of Example 86, Step 3, 0.250 g (1.01 mmol) of 3-methyl-4-hydroxy-5-ethylbenzofuran carboxylic acid ethyl ester (Example 86, Step 2) and 0.599 mL (5.04 mmol) of benzyl bromide gave 0.341 g of 5-ethyl-4-benzyloxy-3-methylbenzofuran-2-carboxylic acid ethyl ester after chromatography on silica gel eluting with ethyl acetate/hexanes (1:20).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07420001B2
Source datasetuspto-grants-2008_09
ORD IDord-c1ba28bdda7f43389a3dc1e9a2fbfd7d
Source noteuspto-grants-2008_09