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Polimerisation and Related Reactions involving Nucleophilic Aromatic Substitution. Part 2. The Rates of Reaction of Substituted 4-Halogenobenzophenones with the Salts of Substituted Hydroquinones

DOI: 10.1039/P29880001735

Source and publish data:

Journal of the Chemical Society. Perkin transactions II p. 1735 - 1738 (1988)

Update date:2022-09-26

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Authors:

Lovering, Jonathan R.Lovering, Jonathan R.

Ridd, John H.Ridd, John H.

Parker, David G.Parker, David G.

Rose, John B.Rose, John B.

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Article abstract of DOI:10.1039/P29880001735

4-X-4'-fluorobenzophenones undergo the expected nucleophilic substitution reactions with the alkali metal salts of 4-Y-4'-hydroxydiphenyl ethers at 140 deg C in diphenyl sulphone as solvent: the Hammett ρ value is 1.02 for the X substituents and -0.34 for the Y substituents.The order of reactivity of the alkali metal salts is Cs > K > Na.The related reaction of fluorobenzophenone with potassium 4-Z-phenolates under the same conditions gives a ρ value of -2.28.This result has been used to calculate the corresponding rate coefficients for the reaction of the mono- and di-potassium salts of hydroquinone with fluorobenzophenone.

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Product name:{4-[4-(4-Benzoyl-phenoxy)-phenoxy]-phenyl}-phenyl-methanone

Cas No:104017-40-5

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