Tetrahedron p. 15555 - 15566 (1998)
Update date:2022-09-26
Topics: 1,4-addition Asymmetric Intramolecular Spirocyclization
Yamada, Satoshi
Karasawa, Satoru
Takahashi, Youichi
Aso, Mariko
Suemune, Hiroshi
Novel spirocyclization based on intramolecular 1,4-addition and its asymmetric version have been developed using a combination of Lewis acid and 1,2-diol. Treatment of five- and six-membered α,β-unsaturated cyclic ketones having a 4-oxopentyl group at the
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