Substitution reactions of 2-benzenesulphonyl cyclic ethers with carbon nucleophiles
作者:Dearg S. Brown、Maurizio Bruno、Raymond J. Davenport、Steven V. Ley
DOI:10.1016/s0040-4020(01)81323-5
日期:1989.1
Direct substitution of 2-benzenesulphonyl cyclic ethers was studied using a variety of carbon nucleophiles. These nucleophiles included organozinc reagents (derived from aryl, vinyl and alkynyl Grignard reagents) or silyl enolethers, silyl ketene acetals, allylsilanes and trimethylsilylcyanide in the presence of aluminum chloride. A general selectivity for the formation of the trans-product was observed