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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 494382Generated: October 30, 2026

Formaldehyde → Diethyl 2-(hydroxymethyl)-2-phenylmalonate

https://huagongshe.com/reaction/494382

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantPotassium HydroxideHCID 14797—
ReactantDiethyl phenylmalonateHCID 66514—
ProductDiethyl 2-(hydroxymethyl)-2-phenylmalonateHCID 2223696393%

Reaction Steps

Paraformaldehyde (720 mg) was suspended in phenylmalonic acid diethyl ester (4.73 g), and a catalytic amount of potassium hydroxide was added thereto at 60° C. After stirring for 1.5 hours, the reaction mixture was purified by column chromatography on silica gel with ethyl acetate:hexane=1:5 to 1:2 to give the title compound (4.96 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07538140B2
Source datasetuspto-grants-2009_05
ORD IDord-a39b44c0a38b4084a5c0698c9832f5b1
Source noteuspto-grants-2009_05