Citation:
XAWKAT Ahmat, ABLAJAN Keyume, HIRAKU Shinozaki. Diels-Alder Reaction of Furan Derivatives in Ionic Liquid and on Silica Gel Supported Ionic Liquid[J]. Chinese Journal of Applied Chemistry,
;2009, 26(8): 899-904.
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The Diels-Alder reactions between furan derivatives and dimethylacetyl enedecarboxylate were examined in ionic liquids [Bmim] Tf2N,[Bmim] PF6,and [Bmim] BF4,and it was found that the lower the polarity of the furan derivatives,the better the reactivity.The high yield(53%) of Diels-Alder reaction of alkylthiofuran with alkylacetylenedicarboxylate was observed when [Bmim] PF6 was used.Furthermore,it was observed that a higher reactivity was achieved when the reaction was conducted on the surface of silica gel coated with ionic liquid,and the silica gel supported ionic liquid was recycled three times without any significant decrease in chemical yield.
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Keywords:
- Diels-Alder reaction,
- furan derivatives,
- ionic liquid,
- silica-gel
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