Novel compounds of the general formula:
wherein R' represents a hydrogen atom or an alkyl group of up to 6 carbon atoms, which may be substituted by one or two halogen atoms and, or alkoxy groups having up to 4 carbon atoms; R2, R3, R4, R5, R6 and R7 each independently represents a hydrogen atom or a halogen atom or an alkyl or alkenyl group of up to 6 carbon atoms which may contain up to 3 halogen atoms, or an aryl, alkaryl or aralkyl group of up to 10 carbon atoms, which may contain up to 3 halogen atoms; or R4 and R5 or R6 and R7 together form an alkylene moiety of up to 6 methylene groups; and X represents an alkyl group having up to 5 carbon atoms, may be prepared by reacting an acetal of a 2-aminocyclopropyl aldehyde with a cyanide in the presence of an alkane carboxylic acid, and may be converted by hydrolysis and/or alcoholysis into compounds having valuable biological activity.
通式如下的新型化合物
其中R'代表氢原子或最多6个碳原子的烷基,可被一个或两个卤素原子取代,或最多4个碳原子的烷氧基;R2、R3、R4、R5、R6和R7各自独立地代表氢原子或卤素原子或最多6个碳原子的烷基或烯基,可含有最多3个卤素原子,或最多10个碳原子的芳基、烷芳基或芳烷基,可含有最多3个卤素原子;或 R4 和 R5 或 R6 和 R7 共同形成一个最多有 6 个亚甲基的亚烷基;X 代表一个最多有 5 个碳原子的烷基,可通过在
烷烃羧酸存在下使 2-
氨基环丙基醛的
缩醛与
氰化物反应制备,并可通过
水解和/或醇解转化为具有重要
生物活性的化合物。