3-Nitrobenzaldehyde

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3-Nitrobenzaldehyde

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Template:Longitem	Template:Chembox Elements/molecular formula
Molar mass	Template:Chem molar mass
Appearance	Yellowish to brownish crystalline powder or granulate
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Template:Longitem	−68.55·10−6 cm3/mol
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3-Nitrobenzaldehyde is an organic compound with the formula Template:Chem2. It is one of three isomers of nitrobenzaldehyde. It contains a nitro group meta-substituted to the aldehyde.

3-Nitrobenzaldehyde is the primary product obtained via the mono-nitration of benzaldehyde with nitric acid.

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Product distribution is about 19% for the ortho-, 72% for the meta- and 9% for the para isomers.

Uses

3-Nitrobenzaldehyde is a precursor to the drug Tipranavir. It is a mainstay in the synthesis of Dihydropyridine calcium channel blockers. Via selective reduction of the nitro group, it is a precursor to the diazonium salt.