Journal of Organometallic Chemistry p. 199 - 203 (1981)
Update date:2022-08-17
Topics:
Milner, David J.
Furan reacted with t-butyl chloride at 130 deg C in the presence of ArMo(CO)3 to yield 2-t-butylfuran and 2,5-di-t-butylfuran.The catalyst was largely deactivated after 12 h.Up to 150 alkylation events occurred per Mo atom.At low conversions (<10percent), using a furan/Mo ratio of 1000/1, the yields of 2-t-butylfuran were high (typically 65-80percent).Yields fell sharply with increasing catalyst concentration.Butylation of 2-t-butylfuran occurred more readily than that of furan, and 2,5-di-t-butylfuran was formed in high yield at 30percent conversion.Both furan and 2-t-butylfuran reacted with t-butyl chloride more than 50 times as fast as toluene.Evidence is given that the catalytic species do not contain chloride.
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