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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1107655Generated: October 25, 2026

Methanol → Phthalide

https://huagongshe.com/reaction/1107655

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantDimethyl PhthalateHCID 8554—
ReactantTriethylmethylammoniumHCID 70440—
SolventDimethylformamideHCID 6228—
ProductPhthalideHCID 688582%
ProductN-Methoxymethyl-N-methylformamideHCID 56029264%

Reaction Steps

In an electrolytic cell as used in Example 1, 2.56 mol of dimethyl phthalate, 750 g of methanol, 1225 g of dimethylformamide (DMF) and 25 g of triethylmethylammonium methosulfate were subjected to electrolysis at 5 A and 50° C. for 6.9 h. 4.1 mol (current yield: 64%) of N-methoxymethyl-N-methylformamide were formed besides 2.1 mol of phthalide (material yield: 82%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06063256
Source datasetuspto-grants-2000_05
ORD IDord-8af5f26eca97411f88a7c1b01423c9d6
Source noteuspto-grants-2000_05