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To prevent di-nitration of the methy benzoate because COOMe group attached to the aromatic ring is deacitvating, hence, plus the deactivating NO2 group, a higher temperature and more acidic condition would be required to add another NO2 to the 5th carbon of the aromatic ring of the methyl 3-nitrobenzoate

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10y ago
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14y ago

If the temperature rises to high you will produce a dinitrated product.

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12y ago

Prevents production of a dinitrated product.

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Q: Why to keep temperature low in nitration reaction?
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