butyl(phenylmethoxymethyl)tin 、 (2S,3R)-N-methoxy-2-[4-[(2S,3R)-3-[methoxy(methyl)carbamoyl]-1,4-dioxaspiro[4.4]nonan-2-yl]furan-3-yl]-N-methyl-1,4-dioxaspiro[4.4]nonane-3-carboxamide 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
以100%的产率得到2-phenylmethoxy-1-[(2S,3R)-2-[4-[(2S,3R)-3-(2-phenylmethoxyacetyl)-1,4-dioxaspiro[4.4]nonan-2-yl]furan-3-yl]-1,4-dioxaspiro[4.4]nonan-3-yl]ethanone