Crystal Structure and Herbicidal Activity of N-(5,7-Dimethoxy-2H-[1,2,4]thiadiazolo[2,3-a]pyrimidin-2-ylidene)-2-(2,4-dichlorophenoxy)propanamide

被引：0
|
作者：
刘国华
方海斌
薛允宁
陆小泉
刘谋明
机构：
[1] Department of Chemistry College of Life and Environmental Science Shanghai Normal University
[2] Department of Chemistry College of Life and Environmental Science Shanghai Normal University
[3] Shanghai 200234 China
来源：
Chinese Journal of Structural Chemistry | 2008年 / 05期
基金：
中国国家自然科学基金;
关键词：
crystal structure; herbicidal activity; 2H-1; 4-thiadiazolo[2; 3-a]pyrimidine;
D O I：
10.14102/j.cnki.0254-5861.2008.05.020
中图分类号：
S482.4 [除草剂（杀草剂）];
学科分类号：
090403 ;
摘要：
The title compound N-(5,7-dimethoxy-2H-[1,2,4]thiadiazolo[2,3-a]pyrimidin-2- ylidene)-2-(2,4-dichlorophenoxy)propanamide 3 has been synthesized through using bromine as cyclic reagent in 66% isolated yield. Suitable single crystals for X-ray diffraction were obtained by recrystallization from the mixture solvents at room temperature. Crystallographic data of 3: C32H28Cl4N8O9S2, Mr = 874.56, monoclinic, space group P21/c, a = 18.612(8), b = 14.084(6), c = 14.757(6), α = 90.00, β = 95.505(7), γ = 90.00o, Z = 4, V = 3850(3)3, Dc = 1.509 g/cm3, F(000) = 1792, R = 0.0704, wR = 0.1454 and μ = 0.479 mm-1. The title compound 3 was found to be effective in herbicidal activity
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收藏
页码：529 / 534
页数：6
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