申请人:Takeda Chemical Industries, Ltd.
公开号:US04446319A1
公开(公告)日:1984-05-01
Novel aminocyclitols, namely the compounds of the formula ##STR1## wherein X is hydroxyl group, a halogen or an acyloxy group; Y is hydrogen or a halogen; and OR.sup.1 is an optionally protected hydroxyl group; and their production. These aminocyclitols are important intermediates for preparing valiolamine having .alpha.-glucosidase inhibitory activity.
小说氨基环醇,即式子##STR1##中的化合物,其中X是羟基,卤素或酰氧基; Y是氢或卤素; 而OR.sup.1是可选保护的羟基; 以及它们的生产。这些氨基环醇是制备具有α-葡萄糖苷酶抑制活性的瓦利奥拉明的重要中间体。