S. Shimizu et al., WATER-SOLUBLE CALIXARENES AS NEW INVERSE PHASE-TRANSFER CATALYSTS - NUCLEOPHILIC-SUBSTITUTION OF ALKYL AND ARYLALKYL HALIDES IN AQUEOUS-MEDIA, Chemical communications, (17), 1997, pp. 1629-1630
The water-soluble calix[n]arenes 1(n) (n = 4, 6 and 8) containing trim
ethylammoniomethyl groups act as efficient inverse phase-transfer cata
lysts in the nucleophilic substitution reaction of alkyl and arylalkyl
halides with nucleophiles in water.