Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1843975Generated: November 2, 2026

Nitromethane → 1,2-Dichloro-4-[(E)-2-nitroethenyl]benzene

https://huagongshe.com/reaction/1843975

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitromethaneHCID 6375—
ReactantSodium HydroxideHCID 14798—
Reactant3,4-DichlorobenzaldehydeHCID 22710—
SolventEthanolHCID 702—
Product1,2-Dichloro-4-[(E)-2-nitroethenyl]benzeneHCID 537225939%

Reaction Steps

Using analogous conditions and workup as described for the preparation of intermediate I-1a above, 3,4-dichlorobenzaldehyde (10 g, 74.074 mmol) in ethanol (100 mL) was reacted with nitro methane (4.12 mL, 74.074 mmol) and 10N NaOH (2.96 g in 7.4 mL of H2O, 74.074 mmol) to afford 6.2 g of the product (39% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946260B2
Source datasetuspto-grants-2015_02
ORD IDord-c74a5dc2564f4166bbc319471dbfdaad
Source noteuspto-grants-2015_02