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Synlett 2000; 2000(11): 1664-1666
DOI: 10.1055/s-2000-7943
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Water-Soluble Calixarenes as New Inverse Phase-Transfer Catalysts. Their Application to C-Alkylations of Active Methylene Compounds in Water

Shoichi Shimizu* , Takashi Suzuki, Yasuyuki Sasaki, Choichiro Hirai
  • *Department of Industrial Chemistry & High Technology Research Center, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan; Fax +81-47-4 74-25 79; E-mail: s5simizu@ccu.cit.nihon-u.ac.jp
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Publication Date:
31 December 2000 (online)

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Alkylation reactions involving active methylene compounds and alkyl halides in aqueous NaOH solution have been developed by using the water-soluble calix[n]arenes (n = 4, 6 and 8) as inverse phase-transfer catalysts, which contains trimethylammoniomethyl groups on the upper rim.

water-soluble calixarenes - inverse phase-transfer catalysis - alkylations - active methylene compounds - alkyl halides