Chemoselective Reactions of Anthrone with α,β-Unsaturated Ketones

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Woonphil Baik, Cheol Hun Yoon, Ki Chang Lee, Hyun Joo Lee, Sangho Koo, Jihan Kim, Byunghoon Yoon and Hakwon Kim


Abstract

In the presence of ZnCl2, 1,4-conjugated addition of anthrone with α,β-unsaturated ketones proceeded to give mono-Michael adducts, whereas in basic solution it gave bis-Michael adducts.


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