Solvent-free synthesis of calix[4]resorcinarenes

Brett A. Roberts, Gareth W.V. Cave, Colin L. Raston, Janet L. Scott

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Calix[4]resorcinarenes may be prepared in high yield and purity by direct reaction of resorcinol and benzaldehyde derivatives in the presence of a catalytic amount of solid acid and at ambient temperature under solvent-free conditions. This represents a viable alternative to traditional solution phase methodology. The solvent-free method measures up well with respect to energy usage, solvent wastes and associated hazards, reaction time and yield. In addition, the relevant benzaldehyde derivatives are prepared in polypropylene glycol, which is readily recycled.

Original languageEnglish
Pages (from-to)280-284
Number of pages5
JournalGreen Chemistry
Volume3
Issue number6
DOIs
Publication statusPublished - 1 Dec 2001
Externally publishedYes

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