A versatile synthesis of carbapenems from substituted dihydropyrans
作者:Richard Bayles、Anthony P Flynn、Ronald H.B. Galt、Susan Kirby、Ralph W Turner
DOI:10.1016/s0040-4039(00)82343-6
日期:1988.1
Dihydropyrans (1) are converted by hydrolysis and reduction to δ-lactones (3), and then to azetidinones (5) which are key intermediates for the synthesis of carbapenems.