Diastereoselective synthesis of erythro- and threo-2-hydroxy-3-methyl-4-pentenoic acids by the ester enolate claisen rearrangement of 2-butenyl 2-hydroxyacetate
作者:Toshio Sato、Kazuhisa Tajima、Tamotsu Fujisawa
DOI:10.1016/s0040-4039(00)81510-5
日期:1983.1
The esterenolate Claisen rearrangement of (E)- and (Z)-2-butenyl 2-hydroxyacetates gave erythro- and threo-2-hydroxy-3-methyl-4-pentenoic acids with highdiastereoselectivity via silyl ketene acetals, respectively.