4-噻二唑,4-thiadiazole
1)4-thiadiazole4-噻二唑
1.Synthesis and Biological Activities of 2-Alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-oxadiazole/1,3,4-thiadiazole Derivatives;以5-氨基-1H-1,2,4-三唑-3-羧酸乙酯为起始原料,设计合成了11个新型的2-取代硫醚-5-(5,7-二甲基-1,2,4-三唑并[1,5-a]嘧啶基)-1,3,4-噁二唑类化合物(5)和6个新型的2-取代硫醚-5-(5,7-二甲基-1,2,4-三唑并[1,5-a]嘧啶基)-1,3,4-噻二唑类化合物(8)。
英文短句/例句

1.Synthesis of 2-aroylamino-5-(4-methoxyphenyl)-1,3,4-thiadiazoles;5-(4-甲氧基苯基)-2-芳酰胺基-1,3,4-噻二唑的合成
2.Synthesis of 2-[(Un)substituted phenyl]-5-(4-nitrobenzamido)- 1,3,4-thiadiazoles2-芳基-5-(4-硝基苯甲酰氨基)-1,3,4-噻二唑的合成
3.Synthesis of 2-dodecyldithio-4-phenyl-1,3,4-thiadia-zole-5-thione and study on inhibiting corrosion2-十二烷基二硫代-4-苯基-1,3,4-噻二唑-5-硫酮的合成及抗腐蚀研究
4.Synthesis of 2-Bromo-1,3,4-Thiadiazole2-溴-1,3,4-噻二唑的合成
5.Sythesis of 2,5-disubstitute-1,3,4-thiadiazole2,5-二取代1,3,4-噻二唑的合成
6.Synthesis of 4,5-Dichloro-2-Methoxypropyl-4-Isothiazol-3-One(MOP-DCI) and Its Antifouling Performance4,5-二氯-2-甲氧基丙基-4-异噻唑啉-3-酮的合成及其防污性能的研究
7.Studies on Chromogenic Reaction for 4-(6-Bromo-2-benzothiazolylazo)pyrocatechoI-Titanium(Ⅳ)-Acetone System4-(6-溴-2-苯并噻唑偶氮)邻苯二酚-钛(Ⅳ)-丙酮体系显色反应的研究
8.Studies on the Synthesis of Thia/Oxadiazole and Triazole Compounds噻(噁)二唑及三唑类化合物的合成研究
9.Synthesis of 2-Hydrazino-4-methylbenzothiazole;2-肼基-4-甲基苯并噻唑的合成
10.Synthesis of 4-Methyl-5-hydroxyethyl Thiazole4-甲基-5-(β-羟乙基)-噻唑的合成研究
11.Improved Method for Synthesis of 2-Aminothiazole-4-formic Acid2-氨基噻唑-4-甲酸合成方法的改进
12.Study on the bromination reaction of 2-methyl-4-arylthiazole2-甲基-4-芳基噻唑的溴代反应研究
13.Study on the Synthesis of 4-Methyl-5-formylthiazole4-甲基-5-甲酰基噻唑的合成工艺研究
14.Improved Method for Synthesis of 2-Bromo-Thiazole- 4-Carboxylic Acid2-溴噻唑-4-甲酸合成方法的改进
15.The solid-state phase reaction synthesis of copolymer with dithiophenyl-benzene and dithiophenyl-benzothiadiazole二噻基苯和二噻基苯并噻二唑共聚物的固相合成
16.Design and Synthesis of Thiadiazole and Benzothiazole Compounds by Iodobenzene Diacetate;应用二醋酸碘苯设计合成噻二唑类、苯并噻唑类杂环化合物
17.Synthesis and Investigation on the Mesophase Property of New Oxadiazole and Thiadiazole Derivatives;新型噁二唑、噻二唑衍生物的合成及液晶性研究
18.test method for total 2-mercaptobenzothiazole in benzothiazyl disulfide vulcanization accelerator苯并噻唑基二硫化物中总2-硫醇苯并噻唑含量试验方法
相关短句/例句

1,2,4-tirazolo-[3,4-b]-1,3,4-thiadiazoles4-三唑并[3,4-b]-1,3,4-噻二唑
3)thiazolidinone噻唑-4-酮
1.Synthesis and Insecticidal Activities of N-Carbonylamido-2-(4-oxo- 4H-1-benzopyran-3-yl)-4-thiazolidinones Derivatives by Microwave-Assisted Parallel Syntheses;微波辅助下N-酰胺基-2-(4-氧代-4H-色烯-3-基)噻唑-4-酮类衍生物的平行合成及其杀虫活性
4)4-triazolo-1,3,4-thiadiazine4-三唑并[3,4-b]-1,3,4-噻二嗪
1.Spectral Analysis on Some New 1,2,4-triazolo-1,3,4-thiadiazines;新型1,2,4-三唑并[3,4-b]-1,3,4-噻二嗪的波谱解析
5)4-(2-thiazolylazo)-resorcinol4-(2-噻唑偶氮)-间苯二酚
6)4-amino-2,1,3-benzothiadiazole4-氨基苯并噻二唑
延伸阅读

(2-氯-4-氟-5-(5,6,7,8-四氢-3-氧-1H,3H-(1,3,4)噻二唑(3,4-a)并哒嗪-1-基亚胺)苯硫基)乙酸甲酯分子式:C15H15CLFN3O3S2分子量:403.9CAS号:117337-16-6密度:0.43(20℃)熔点:105.0~106.5℃蒸气压:4.41E-7(25℃)毒性LD50(mg/kg):急性经口LD50:大鼠大于5000,野鸭和鹌鹑大于2250。对兔眼睛和皮肤无刺激。鱼毒LC50(96h,mg/L):鳟鱼0.004,鲤鱼0.63、大翻车鱼0.14。无致畸、致突变性。性状:白色粉末状固体。溶解情况:水中溶解度为0.85(蒸馏水25℃,mg/L),0.78(pH5和pH 7),其它溶剂中溶解读(g/L,25℃):甲醇4.41、丙酮101、甲苯 84、乙腈68.7、乙酸乙酯73.5、二氯甲烷9、正辛烷1.86。用途:酰亚胺类除草剂。为大豆、玉米田用的苗后除草剂。主耍用于防除大豆、玉米田阔叶杂草,特别对一些难防除的阔叶杂草有卓效,如以2.5~10g(a.i.)/ha对苍耳、苘麻、西风古、藜、裂叶牵牛、圆叶牵牛、大马蓼、马齿苋、大果田菁等有极好的活性。在10g(a.i.)/ha对繁缕、曼陀螺、刺黄花稔、龙葵、鸭跎草等亦有很好的活性.在5~10g(a.i)/ha剂量下作茎叶处理,对不同生长期(2~51cm高)的苘麻、西风古和藜等难防除阔叶杂草有优异的活性,其活性优于三氟羧草醚[560g(a.i.)/ha]、氯嘧磺隆[13g(a.i.)/ha]、咪草烟[70g(a.i.)/ha]、灭草松[1120g(a.i.)/ha]、噻磺隆[DPX-M6316,4.4g(a.i.)/ha]。 若与以上除草剂混用,不仅可扩大杀草谱.还可进一步提高对阔叶杂草如藜、苍耳等的防除放果。对大豆和玉米极安全.由于用氟噻乙草酯作苗前处理,甚至在超剂量下[120g(a.i.)/ha].对后茬作物无不良影响.加之其用量低,故对环境安全。制备或来源:以邻氟苯胺为起始原例.经酰化、氯化制得中间体4-氯-2-氟乙酰苯胺;与氯磺酸反应后经还原、水解制得中间体取代的硫酚;再经醚化、制成硫代异氰酸酯;最后与肼缩合,并与光气合环即得目的物.备注:分配系数lgP=3.77。对光稳定性:半衰期为4.92d。 作用机理:原卟啉原氧化酶抑制剂.在敏感杂草叶面作用迅速,引起原卟啉积累,使细胞膜脂质过氧化作用增强.从而导致敏感杂草的细胞膜结构和细胞功能不可逆损害.常常在24~48h出现叶面枯斑症状。类别:除草剂