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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1619379Generated: November 3, 2026

Dimethyl malonate → 1,3-Dimethyl 2-[(dimethylamino)methylidene]propanedioate

https://huagongshe.com/reaction/1619379

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl malonateHCID 7943—
ReactantDimethylformamide dimethyl acetalHCID 78373—
Product1,3-Dimethyl 2-[(dimethylamino)methylidene]propanedioateHCID 59360398.7%

Reaction Steps

A solution of dimethyl malonate (5 g, 37.9 mmol, 1 equiv) in DMF-DMA (11.3 g, 94.8 mmol, 2.5 equiv) was stirred at room temperature overnight. Then the reaction mixture was concentrated to give 7 g of the desired product, which was directly used for the next step without further purification. MS (ESI): 188 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08772301B2
Source datasetuspto-grants-2014_07
ORD IDord-7434af8fe5bc478882cbb6e406ca2e18
Source noteuspto-grants-2014_07