Bulletin of the Chemical Society of Japan p. 1421 - 1426 (1997)
Update date:2022-07-29
Topics:
Hanamoto, Takeshi
Sugimoto, Yuichi
Jin, Yong Zhi
Inanaga, Junji
Scandium(III) perfluorooctanesulfonate [scandium(III) perflate, Sc(OPf)3] was prepared from either scandium(III) chloride or oxide and perfluorooctanesulfonic acid. The perflate thus obtained acts as a novel Lewis acid catalyst for the intermolecular hetero Diels-Alder reaction of aldehydes with non-activated dienes under mild conditions. The characteristic features of the catalyst include (i) low hygroscopicity, (ii) ease of handling, and (iii) robustness for the recycling use.
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