The application of thioallenoates to catalytic enantioselective [2+2]-cycloadditions with unactivated alkenes is reported.In many cases, the thioallenoates examined exhibit superior reactivity and selectivity compared to the alkoxy analogs generally used in these cycloadditions.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7584306 | PMC |
http://dx.doi.org/10.1016/j.tet.2019.04.028 | DOI Listing |
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