申请人:Bayer Aktiengesellschaft
公开号:US03968314A1
公开(公告)日:1976-07-06
Benzoylphenylisothioureas of the formula: ##SPC1## Wherein R is alkyl of 1 to 12 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, alkenyl of 2 to 12 carbon atoms or aralkyl unsubstituted or substituted in the aryl moiety by one or more substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms and halogen; R.sup.1 is alkyl of 1 to 4 carbon atoms, cyclohexyl or phenyl; and R.sup.2 is hydrogen; alkyl of 1 to 18 carbon atoms unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, cyano, alkoxy of 1 to 4 carbon atoms, alkoxycarbonyl of 2 to 5 carbon atoms, phenoxy, halophenoxy, alkylphenoxy and alkoxyphenoxy; cycloalkyl of 5 to 8 carbon atoms; aralkyl unsubstituted or substituted in the aryl moiety by one or more substituents selected from the group consisting of halogen, alkyl of 1 to 4 carbon atoms and alkoxy of 1 to 4 carbon atoms; aryl unsubstituted or substituted by one or more substitutents selected from the group consisting of halogen, alkyl of 1 to 4 carbon atoms and alkoxy of 1 to 4 carbon atoms; 1-furyl; or a moiety of the formula: -NR"R"' wherein R" is hydrogen or alkyl of 1 to 4 carbon atoms, and R"' is hydrogen; alkyl of 1 to 18 carbon atoms unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, cyano, alkoxy of 1 to 4 carbon atoms and alkoxycarbonyl of 2 to 5 carbon atoms; cycloalkyl of 5 to 8 carbon atoms; aralkyl unsubstituted or substituted in the aryl moiety by one or more substituents selected from the group consisting of halogen, lower alkyl and lower alkoxy; phenyl unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, lower alkyl and lower alkoxy; acyl of up to 18 carbon atoms unsubstituted or substituted by one or more substituents selected from the group consisting of halogen and lower alkoxy; aroyl unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, lower alkyl and lower alkoxy; alkylsulphonyl of 1 to 18 carbon atoms unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, amino, lower alkyl and lower alkoxy; or dialkylamino of 1 to 4 carbon atoms in each alkyl moiety; or R" and R"' together with the nitrogen atom to which they are attached form a 4- to 7-membered heterocyclic ring wherein the nitrogen atom is the only heteroatom or wherein oxygen or sulfur is also present as a ring member, Are produced by reacting a thiourea of the formula: ##SPC2## Wherein R.sup.1 and R.sup.2 are as above defined, With an alkylating agent of the formula: R -- Y wherein R is as above defined; and Y is halogen, arylsulphonate or alkylsulphonate, In the presence of a base and a diluent. The benzoylphenylisothioureas described above are useful for their anthelmintic activity.
该文描述了一种公式为:## SPC1 ##的苯甲酰基异硫脲化合物,其中R为1至12个碳原子的烷基,3至8个碳原子的环烷基,2至12个碳原子的烯基或芳基烷基,未经取代或在芳基中取代一个或多个取代基,所述取代基选自1至4个碳原子的烷基,1至4个碳原子的烷氧基和卤素; R1为1至4个碳原子的烷基,环己基或苯基; R2为氢; 1至18个碳原子的烷基,未经取代或在所述烷基上取代一个或多个取代基,所述取代基选自卤素,氰基,1至4个碳原子的烷氧基,2至5个碳原子的烷氧羰基,苯氧基,卤代苯氧基,烷基苯氧基和烷氧基苯氧基; 5至8个碳原子的环烷基; 未经取代或在芳基中取代一个或多个取代基的芳基烷基,所述取代基选自卤素,1至4个碳原子的烷基和1至4个碳原子的烷氧基; 未经取代或在芳基中取代一个或多个取代基的芳基,所述取代基选自卤素,1至4个碳原子的烷基和1至4个碳原子的烷氧基; 1-呋喃基; 或公式为:-NR“R”'的一种基团,其中R“为氢或1至4个碳原子的烷基,R”'为氢; 1至18个碳原子的烷基,未经取代或在所述烷基上取代一个或多个取代基,所述取代基选自卤素,氰基,1至4个碳原子的烷氧基和2至5个碳原子的烷氧羰基; 5至8个碳原子的环烷基; 未经取代或在芳基中取代一个或多个取代基的芳基烷基,所述取代基选自卤素,较低的烷基和较低的烷氧基; 未经取代或在芳基中取代一个或多个取代基的苯基,所述取代基选自卤素,较低的烷基和较低的烷氧基; 酰基,其碳原子数最多为18个,未经取代或在所述酰基上取代一个或多个取代基,所述取代基选自卤素和较低的烷氧基; 未经取代或在所述芳基上取代一个或多个取代基的芳基酰基,所述取代基选自卤素,较低的烷基和较低的烷氧基; 1至18个碳原子的烷基磺酰基,未经取代或在所述烷基上取代一个或多个取代基,所述取代基选自卤素,氨基,较低的烷基和较低的烷氧基; 或1至4个碳原子的二烷基氨基,每个烷基中都未经取代; 或R“和R”'与它们连接的氮原子一起形成4至7个成员的杂环环,其中氮原子是唯一的杂原子或其中也存在氧或硫作为环成员。该化合物通过将公式为:## SPC2 ##的硫脲与公式为:R-Y的烷基化剂反应而制得,其中R和Y的定义如上所述,并在碱和稀释剂的存在下进行。上述苯甲酰基异硫脲化合物对于其驱虫活性是有用的。