申请人:Ciba-Geigy AG
公开号:US03969364A1
公开(公告)日:1976-07-13
This invention relates to the new compound 2-aminonaphtho [1,2-d] selenazole of the formula ##SPC1## Compound (I) is prepared by halogenating 1,2,3,4-tetrahydro-1-oxonaphthalene-3-sulphonate, reacting the halogenated compound with selenourea and then eliminating the sulphonic acid group. Compound (I) is useful as starting material for the preparation of 2-methylnaphtho [1,2-d] selenazole by hydrolysing compound (I), acylating the hydrolysis product and ring closure.
该发明涉及新化合物2-氨基萘并[1,2-d]硒唑,化学式为Compound (I)。化合物(I)是通过对1,2,3,4-四氢-1-氧代萘烯-3-磺酸盐进行卤代反应,然后与硒脲反应,最后消除磺酸基团而制备的。化合物(I)可作为制备2-甲基萘并[1,2-d]硒唑的起始原料,方法是水解化合物(I),酰化水解产物并进行环闭合。