In this paper, 3 (2 chloro 5 pyridylmethyl)amino 2 cyano 3 methylthio ethyl acrylates 3 were synthesized. By the reaction of 3 as an intermediate with amines, 5 new 3 (substituted)amino 3 (2 chloro 5 pyridylmethyl)ami...In this paper, 3 (2 chloro 5 pyridylmethyl)amino 2 cyano 3 methylthio ethyl acrylates 3 were synthesized. By the reaction of 3 as an intermediate with amines, 5 new 3 (substituted)amino 3 (2 chloro 5 pyridylmethyl)amino 2 cyano ethyl acrylates were prepared. When 3 reacted with hydrazine, the corresponding cyclic compound 4f was obtained. The preliminary bioassays showed that compounds 3 has good herbicidal activity.展开更多
苯胺或取代苯胺、二硫化碳与水合肼在氢氧化钾催化下经加成与取代反应合成了10种N(4)-取代氨基硫脲,随后在浓盐酸催化下分别与2-羟基-1-萘甲醛加成合成了10种未见报道的2-羟基-1-萘甲醛缩-N(4)-取代氨基硫脲.通过IR、1 H NMR与13 C NMR...苯胺或取代苯胺、二硫化碳与水合肼在氢氧化钾催化下经加成与取代反应合成了10种N(4)-取代氨基硫脲,随后在浓盐酸催化下分别与2-羟基-1-萘甲醛加成合成了10种未见报道的2-羟基-1-萘甲醛缩-N(4)-取代氨基硫脲.通过IR、1 H NMR与13 C NMR对标题化合物进行了结构表征;采用离体法初步测试了标题化合物对6种常见农作物真菌病源菌的抑菌活性,并推测其可能的构效关系.结果表明,标题化合物对水稻纹枯病菌、小麦赤霉病菌、番茄早疫病菌、黄瓜枯萎病菌、马铃薯晚疫病菌及辣椒疫霉病菌均表现出一定的抑菌活性,其抑菌活性大小与标题化合物N(4)-取代基中苯环所连取代基的类型与位置有关.展开更多
文摘In this paper, 3 (2 chloro 5 pyridylmethyl)amino 2 cyano 3 methylthio ethyl acrylates 3 were synthesized. By the reaction of 3 as an intermediate with amines, 5 new 3 (substituted)amino 3 (2 chloro 5 pyridylmethyl)amino 2 cyano ethyl acrylates were prepared. When 3 reacted with hydrazine, the corresponding cyclic compound 4f was obtained. The preliminary bioassays showed that compounds 3 has good herbicidal activity.
文摘苯胺或取代苯胺、二硫化碳与水合肼在氢氧化钾催化下经加成与取代反应合成了10种N(4)-取代氨基硫脲,随后在浓盐酸催化下分别与2-羟基-1-萘甲醛加成合成了10种未见报道的2-羟基-1-萘甲醛缩-N(4)-取代氨基硫脲.通过IR、1 H NMR与13 C NMR对标题化合物进行了结构表征;采用离体法初步测试了标题化合物对6种常见农作物真菌病源菌的抑菌活性,并推测其可能的构效关系.结果表明,标题化合物对水稻纹枯病菌、小麦赤霉病菌、番茄早疫病菌、黄瓜枯萎病菌、马铃薯晚疫病菌及辣椒疫霉病菌均表现出一定的抑菌活性,其抑菌活性大小与标题化合物N(4)-取代基中苯环所连取代基的类型与位置有关.
