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

1996-06-26

1999-09-14

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

562 82, C07C30932

Patent

active

059525266

ABSTRACT:
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.

REFERENCES:
March, Advanced Organic Chemistry pp. 528-529, 561-563, 1992.
Chawla, et al., Synth. React. Inorg. Met.-Org. Chem., 26(5), 775-790, May 1996.
J. Chem. Soc. Perkin Transactions I (Shinkai, et al.).
J. Am. Chem. Soc. 117, No. 46 (Steed, et al.).
J. Chem. Soc. Perkin Transactions II (Lambrechts, et al.).
New J. Chem. 15 (1991), 8883-7.

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