申请人:Hoffmann-La Roche Inc.
公开号:US04026936A1
公开(公告)日:1977-05-31
Compounds represented by the formula ##STR1## wherein R is ##STR2## R.sup.1 is 2-pyridyl, 3-pyridyl, 4-pyridyl or 2-thiazyl, R.sup.2 is lower alkyl and n is 1 or 2, And acid addition salts of the compounds wherein R.sup.1 is 2-pyridyl, 3-pyridyl or 4-pyridyl are disclosed as useful as anthelmintics against a broad spectrum of helminths. Processes for making the active compounds and novel intermediates useful therein are also disclosed.
由公式##STR1##表示的化合物,其中R是##STR2##,R.sup.1是2-吡啶基,3-吡啶基,4-吡啶基或2-噻唑基,R.sup.2是较低的烷基,n为1或2,以及所述化合物的酸盐,其中R.sup.1是2-吡啶基,3-吡啶基或4-吡啶基,被披露为对广谱蠕虫有用的驱虫剂。还披露了制备活性化合物和其中有用的新颖中间体的方法。