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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1198531Generated: October 31, 2026

Water → Benzoic acid, 3-[(1E)-2-(dimethylamino)ethenyl]-2-nitro-, methyl ester

https://huagongshe.com/reaction/1198531

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPiperidineHCID 8082—
ReactantDimethylformamide dimethyl acetalHCID 78373—
ReactantBenzoic acid, 3-methyl-2-nitro-, methyl esterHCID 79621—
SolventDimethylformamideHCID 6228—
ProductBenzoic acid, 3-[(1E)-2-(dimethylamino)ethenyl]-2-nitro-, methyl esterHCID 771483—

Reaction Steps

A solution of methyl 3-methyl-2-nitrobenzoate (43 g, 0.22 mole), dimethylformamide dimethyl acetal (52.5 g, 0.44 mole) and piperidine (18.7 g, 0.22 mole) in dimethylformamide (120 ml) was heated under reflux for 24 hours, cooled and poured into water to give the crude product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05281593
Source datasetuspto-grants-1994_01
ORD IDord-28349c0abea0423eb5800fe16b44b1b2
Source noteuspto-grants-1994_01