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The nucleophilic cleavage of differently activated aryl ethers by a fluoride anion is studied. Two sulphone groups in para positions to the ether link appear to activate this sufficiently to allow its nucleophilic substitution by F- to occur from 280°C upwards. No reaction is observed up to 300°C when two ketone links are para to the ether, whilst the reaction occurs from 300°C upwards in the case of a mixed sulphone-ketone activation

Посилання на статтю:

Nucleophilic cleavage of activated awl ethers by a fluoride anion / V. Carlier*, B. Jambe, J. Devaux and R. Legras // Polymer. – 1993. – Vol 34. – P. 167-170.

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