[reaction: see text] The reaction of organozinc reagents (ZnEt(2), ZnPh(2)) with cyclic 1,3-diene monoepoxides in the presence of CF(3)COOH gave the cis-addition products. Lewis acids such as (CF(3)CO(2))(2)Zn and ZnCl(2) mediated the nucleophilic addition of ZnEt(2) to cyclooctadiene monoepoxide with high stereoselectivity.
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http://dx.doi.org/10.1021/ol017279o | DOI Listing |
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