New Efficient Synthesis of 5,6-Disubstituted-3-phenyl-1,2,3-triazolo[4,5-<i>d</i>]pyrimidin-7-ones via a Tandem Aza-Wittig Reaction
作者:Tao Wang、Xi Xian Ke、Shui Tao Zhou、Hui Zong Chen
DOI:10.1080/00397911.2010.535940
日期:2012.5.15
5-d]pyrimidine-7-ones 5a–5l were designed and successfully synthesized via tandem aza-Wittig and annulation reactions of the corresponding iminophosphorances 2, aromatic isocyanate, and substituted thiophenols in satisfactory yields. The results from the preliminary bioassay indicated that some of these compounds possess inhibitory activities against the root and stalk of Brassica napus(rape) as well
摘要 12 种新型 5,6-二取代-3-苯基-1,2,3-三唑并[4,5-d]嘧啶-7-ones 5a-5l 被设计并通过 aza-Wittig 串联反应和环化反应成功合成。相应的亚氨基磷 2、芳族异氰酸酯和取代的苯硫酚以令人满意的收率。初步生物测定结果表明,其中一些化合物在剂量分别为 100 mg/L 和 10 mg/L 时对欧洲油菜(油菜)和稗子(稗)的根和茎具有抑制活性. 图形概要