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

被引：0
|
作者：
刘国华
薛允宁
姚美
方海斌
余焓
机构：
[1] Department of Chemistry College of Life and Environmental Science Shanghai Normal University
[2] Shanghai 200234 China
[3] Department of Chemistry College of Life and Environmental Science Shanghai Normal University
来源：
Chinese Journal of Structural Chemistry | 2007年 / 04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.0254-5861.2007.04.015
中图分类号：
O621.25 [];
学科分类号：
070303 ; 081704 ;
摘要：
The title compound N-(7-chloro-5-ethoxy-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 63% isolated yield. Suitable single crystals for X-ray diffraction were obtained by recrystallization from the mixture solvents at room temperature. Crystallographic data of 3: C16H13- Cl3O3S, Mr = 447.71, triclinic, space group P, a = 8.7461(8), b = 9.9560(10), c = 11.8572(11) , α = 94.341(2), β = 94.683(2), γ = 112.929(2)o, Z = 2, V = 941.21(15) 3, Dc = 1.580 g/cm3, F(000) = 456, R = 0.0794, wR = 0.2056 and μ(MoKα) = 0.623 mm-1. The title compound 3 was found to be effective in herbicidal activity.
引用
收藏
页码：450 / 456
页数：7
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