Asymmetric Organocatalytic Michael Addit
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Kwang-Su Choi; Sung-Gon Kim
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Article
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2012
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John Wiley and Sons
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English
⚖ 463 KB
## Abstract A catalytic enantioselective Michael addition–cyclization reaction of nitroalkanes with __o__‐hydroxycinnamaldehydes has been established by using a diphenylprolinol TMS ether as an organocatalyst. The reaction afforded the corresponding 4‐substituted chroman‐2‐ols in excellent yields w