(3R,8S,9S)-10-Benzenesulfonyl-3-benzyloxy-8-(1-ethoxy-ethoxy)-9-methyl-1-[(4S,6R)-2,2,6-trimethyl-6-(tetrahydro-pyran-2-yloxymethyl)-[1,3]dioxan-4-yl]-dec-5-yn-4-ol 在
manganese(IV) oxide 作用下,
以91%的产率得到(3R,8S,9S)-10-Benzenesulfonyl-3-benzyloxy-8-(1-ethoxy-ethoxy)-9-methyl-1-[(4S,6R)-2,2,6-trimethyl-6-(tetrahydro-pyran-2-yloxymethyl)-[1,3]dioxan-4-yl]-dec-5-yn-4-one