1-Phenyl-2-nitropropene is an organic chemical compound. It is also known as P2NP, β-methyl-β-nitropropene, phenyl-2-nitropropene, and (2-Nitro-1-propenyl) benzene. The substance is a crystalline powder of yellow color with chemical formula C9H9NO2 and CAS number 705-60-2. Molar mass of 1-Phenyl-2-nitropropene is 163.17 g mol−1; its melting point is 64 to 66 °C.

Production and Use

The compound is produced as the result of reaction between nitroethane and benzaldehyde in presence of basic catalyst. In the course of the reaction, the base deprotonates nitroethane and a resonance-stabilized anion is formed. The anion adds to the aldehyde and forms a beta nitro alcohol, which in its turn is dehydrated to yield to nitroalkene. The chemists call the whole process a nitroaldol reaction.

1-Phenyl-2-nitropropene is mainly used for manufacture of pharmaceuticals, particularly drug Adderall that treats ADHD and narcolepsy. It is a precursor in making methamphetamine and related compounds. Besides, the compound is known for its herbicide and antibacterial properties.

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