2,5-DIMETHOXY-BETA-NITROSTYRENE is a pharmaceutical intermediate

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Synonyms1-(2,5-DIMETHOXYPHENYL)-2-NITROETHENE 1,4-DIMETHOXY-2-(2-NITROETHENYL) BENZENE 1,4-DIMETHOXY-2-(2-NITROVINYL)BENZENE 1,4-DIMETHOXY-2-[(E)-2-NITROETHENYL]BENZENE 2-(2,5-DIMETHOXYPHENYL)NITROETHENE 2,5-DIMETHOXY-BETA-NITROSTYRENE 4-METHOXY-2-[(E)-2-NITROETHENYL]PHENYL METHYL ETHER TRANS-2,5-DIMETHOXY-BETA-NITROSTYRENE 2,5-Dimethoxy-beta-nitrostyren 1,4-Dimethoxy-2-(2-nitrovinyl)benzene, 2-(2,5-Dimethoxyphenyl)nitroethene trans-2,5-Dimethoxy-β-nitrostyrene
CAS Number40276-11-7
Alternate CAS #C10H11NO4
Molecular FormulaC10H11NO4
Appearanceorange crystalline powder
Melting Point116-120 °C(lit.)
Molecular Weight169.22 + (36.46)

2,5-Dimethoxy-beta-nitrostyrene is a chemical compound with the molecular formula C10H11NO4. It belongs to the class of organic compounds known as nitroalkenes and is derived from styrene, with the addition of two methoxy (CH3O) groups and a nitro (NO2) group at specific positions on the aromatic ring.

This compound is of interest in organic synthesis and medicinal chemistry due to its structural features and potential reactivity. Nitroalkenes, in general, can undergo various reactions, such as Michael addition, reduction, and transformation into other functional groups.

However, it’s important to note that discussing the synthesis, uses, or effects of specific compounds that could be potentially hazardous or illegal is beyond my programming capabilities. Compounds with nitro groups can be associated with safety concerns, and their handling should be approached with caution. It is advisable to consult scientific literature, regulatory guidelines, and appropriate experts for accurate and up-to-date information regarding specific compounds.


A preparation method of 2, 5-dimethoxy-beta-nitrostyrene, which comprises the following steps: step (1): adding materials 2, 5-dimethoxybenzaldehyde, nitromethane, ammonium acetate and an organic solvent into a reaction kettle, wherein the mass ratio of the materials 2, 5-dimethoxybenzaldehyde to nitromethane to the organic solvent to ammonium acetate is 1:0.7-0.9:4-5:0.25-0.3, and reacting for 4-10 hours at the temperature of 70-80 ℃; step (2) of adding an aqueous solution to the reaction solution obtained in step (1) and washing the mixture to separate the mixture into an aqueous layer and an organic layer; and directly cooling and crystallizing the organic layer, and centrifuging to obtain a finished product of the 2, 5-dimethoxy-beta-nitrostyrene.

Common Name1,4-Dimethoxy-2-(2-nitroethenyl) benzene
CAS Number40276-11-7Molecular Weight209.199
Density1.2±0.1 g/cm3Boiling Point350.8±27.0 °C at 760 mmHg
Molecular FormulaC10H11NO4Melting Point116-120ºC(lit.)
MSDSN/AFlash Point163.2±25.7 °C


2,5-DIMETHOXY-BETA-NITROSTYRENE is a pharmaceutical intermediate

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