Stereoselective synthesis of the C18–C28 fragment of apoptolidin
作者:Julia Schuppan、Burkhard Ziemer、Ulrich Koert
DOI:10.1016/s0040-4039(99)02134-6
日期:2000.1
An efficient, stereocontrolled synthesis of the C18–C28 segment of apoptolidin has been achieved. Key steps are a stannous triflate-mediated aldol reaction, the acylation of a Weinreb amide with an E-alkenyl lithium reagent and the dihydroxylation of a C19–C20 double bond.