Acetic acid (2R,3S,4R,5R,6R)-5-azido-4-benzyloxy-2-benzyloxymethyl-6-(1-methyl-allyloxy)-tetrahydro-pyran-3-yl ester 在
Wilkinson's catalyst 、
正丁基锂 作用下,
以87%的产率得到Acetic acid (2R,3S,4R,5R,6S)-5-azido-4-benzyloxy-2-benzyloxymethyl-6-((E)-1-methyl-propenyloxy)-tetrahydro-pyran-3-yl ester