Biodegradable ionic liquids: Part I. Concept, preliminary targets and evaluation
摘要：
The design, preparation and evaluation of biodegradable ionic liquids containing ester or amide groups in the alkyl side chain are presented. Factors improving the biodegradation of surfactants were successfully applied to ionic liquids. These novel ionic liquids can be prepared from readily available starting materials in high yield. The introduction of a group susceptible to enzymatic hydrolysis greatly improves the biodegradation OECD 301D 'Closed Bottle Test' compared with the commonly used dialkylimidazolium ionic liquids, bmimBF4and bmimPF6. For the 3-methyl-1-alkyloxycarbonylmethylimidazolium bromide series, the greatest biodegradation was observed when alkyl butyl, pentyl, hexyl and octyl. The corresponding amide analogs proved to be poorly biodegradable.
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DOI：
10.1039/b315270g
被引量：
年份：
2004
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