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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 731217Generated: October 30, 2026

Diethyl Malonate → N-(4-methanesulfonylamino-2-sulfamoyl-phenyl)-malonamic acid ethyl ester

https://huagongshe.com/reaction/731217

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl MalonateHCID 7761—
Reactant2-Amino-5-[(methylsulfonyl)amino]benzenesulfonamideHCID 24950657—
ProductN-(4-methanesulfonylamino-2-sulfamoyl-phenyl)-malonamic acid ethyl esterHCID 24858398—

Reaction Steps

2-Amino-5-methanesulfonylamino-benzenesulfonamide (prepared as described in schemes 16 and 17) can be treated with a dialkyl malonate, such as diethyl malonate, to afford the desired N-(4-methanesulfonylamino-2-sulfamoyl-phenyl)-malonamic acid ethyl ester intermediate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582626B2
Source datasetuspto-grants-2009_09
ORD IDord-ba28737c5a0744b0abb9f35d543cbb3b
Source noteuspto-grants-2009_09