
Synlett p. 597 - 599 (1997)
Update date:2022-08-04
Topics:
Ishihara, Kazuaki
Kurihara, Hideki
Yamamoto, Hisashi
Diarylborinic acids with electron-withdrawing substituents at their aryl groups are efficient Lewis acid catalysts for Mukaiyama aldol condensation and selective dehydration of anti-aldols to α,β-enones in the presence of syn-aldols. The Lewis acidities of diarylborinic acids are much higher than those of the corresponding arylboronic acids.
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