Process for the dealkylating sulfonation of p-alkyl calixarenes

Details Process for the dealkylating sulfonation of p-alkyl calixarenes Process for the dealkylating sulfonation of p-alkyl calixarenes

C - Chemistry, Metallurgy

07

C

C07C 309/43 (2006.01) C07C 303/02 (2006.01)

Patent

CA 2258904

Para sulfonated calixarenes are obtained in a one-step reaction directly from para blocked calixarenes by treating same with a sulfonating agent, such as concentrated sulfuric acid, to perform an ipso-electrophilic substitution.

On obtient des calixarènes para sulfonés dans une réaction en une étape, directement à partir de calixarènes bloqués en para, en traitant ceux-ci avec un agent de sulfonation tel que l'acide sulfurique concentré, afin de réaliser une substitution ipso-électrophile.

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