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Asymmetric Mannich Reaction: Synthesis of Novel Chiral 5-(substituted aryl)-1,3,4-Thiadiazole Derivatives with Anti-Plant-Virus Potency
Heterocyclic Communications ( IF 1.3 ) Pub Date : 2019-04-03 , DOI: 10.1515/hc-2019-0005
Song Bai 1, 2 , Yunying Zhu 1, 2 , Qin Wu 1
Affiliation  

Abstract A series of novel chiral 5-(substituted aryl)-1,3,4-thiadiazole derivatives was synthesized in an enantioselective three-component Mannich reaction using cinchona alkaloid squaramide catalyst with excellent enantioselectivities (up to >99% enantiomeric excess (ee)). The bioassay results showed that these derivatives possessed good to excellent activities against tobacco mosaic virus (TMV).

中文翻译:

不对称曼尼希反应:合成具有抗植物病毒效力的新型手性 5-(取代芳基)-1,3,4-噻二唑衍生物

摘要 使用金鸡纳生物碱方酸酰胺催化剂,在对映选择性三组分曼尼希反应中合成了一系列新型手性 5-(取代芳基)-1,3,4-噻二唑衍生物(高达 >99% 对映体过量(ee)) )。生物测定结果表明,这些衍生物对烟草花叶病毒(TMV)具有良好至极好的活性。
更新日期:2019-04-03
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