Serendipitous synthesis of diaxial 2,4-diphenyl-3,7-dioxabicyclo[3.3.0]octane
作者:Andrew Pelter、Robert S. Ward、Peter Collins、Revuru Venkateswarlu、Chakicherla Kamakshi
DOI:10.1016/s0040-4039(00)74260-2
日期:1992.7
Reduction of cis-3,4-dibenzoyltetrahydrofuran with BMS, very surprisingly yields diaxial 2,4-diphenyl-3,7-dioxabicyclo[3.3.0]octane in a reaction that contrasts sharply with processes involving equilibrating benzylic carbocations which yield the diequatorial isomer.