Shi Hai-jian
2012
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
Using Pd/C-(ammonium formate) as the catalyst,an important intermediate of salmeterol,1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-(2-hydroxy-1-phenylethylamino)ethanol,was debenzylized by catalytic transfer hydrogenolysis in yield of 92%,and the important intermediate of galanthamine,narwedine,was obtained from bromonarwedine by debromination in yield of 75%.