ALKYLATION OF FURAN, THIOPHENE, AND PYRROLE WITH FURFURYL ALCOHOL IN THE PRESENCE OF THE STRONGLY ACIDIC AMBERLYST 15 SULFO CATION-EXCHANGE RESIN
The corresponding 2-furylhetarylmethanes were obtained by the reaction of furan, thiophene, or pyrrole with furfuryl alcohol in the presence of the strongly acidic Amberlyst 15 cation-exchange resin in the H+ form.The alkylation of furan and thiophene takes place regiospecifically in the 2 position, whereas 2-furyl-2-pyrrolyl- and 2-furyl-3-pyrrolylmethane in a ratio of 6.2:1 are formed in the case of pyrrole.
Iovel', I. G.,Gol'dberg, Yu. Sh.,Shimanskaya, M. V.
p. 613 - 616
(2007/10/02)
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