Английская Википедия:4-Iodobenzoic acid
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4-Iodobenzoic acid, or p-iodobenzoic acid, is an organic compound with the formula IC6H4COOH.[1]
Structure
X-ray crystallography of 4-iodobenzoic acid has shown that it crystallizes in the solid state as hydrogen-bonded dimers which stack perpendicular to their aromatic rings. The iodine atoms of adjacent dimers are also oriented towards each other due to van der Waals forces.[2]
Preparation
4-Iodobenzoic acid may be prepared in the laboratory by the oxidation of p-iodotoluene with potassium permanganate.[3]
Reactions
The carboxylic acid functionality of 4-iodobenzoic acid undergoes Fischer–Speier esterification with methanol to form the ester methyl 4-iodobenzoate.[4]
See also
References
