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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1090134Generated: November 1, 2026

Diethyl (ethoxymethylene)malonate → HCID 19914484, compound

https://huagongshe.com/reaction/1090134

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl (ethoxymethylene)malonateHCID 6871—
Reactant4-methoxy-2-(methylthio)anilineHCID 11147966—
ProductHCID 19914484HCID 1991448481.5%

Reaction Steps

4-Methoxy-2-methylsulfenylaniline (1.5 g) and diethyl ethoxymethylenemalonate (1.9 g) were reacted in the same manner as in Experimental Example 1 to obtain 3-ethoxycarbonyl-6-methoxy-8-methylsulfenyl-4(1H)-quinolone (2.1 g). The compound (1.3 g) was subjected to hydrolysis and decarboxylation in the same manner as in Experimental Example 2 to obtain 6-methoxy-8-methylsulfenyl-4(1H)-quinolone (compound 30, 0.95 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05081121
Source datasetuspto-grants-1992_01
ORD IDord-e342e284f22f46e2ac167fc1c2370bba
Source noteuspto-grants-1992_01