合成了包含1,3,4-噻二唑环部分的三系列新型2-氰基丙烯酸酯7a - 7f,9a - 9f,10a - 10f作为光电子系统II(PS II)电子传输的除草抑制剂。其结构已通过1 H NMR,13 C NMR,元素分析(或HRMS分析)和单晶X射线衍射分析得到了清晰验证。生物测定表明,丙烯酸酯的3位有一个合适的基团对于高除草活性至关重要。特别是化合物7e表现出最好的除草活性,并以1.5 kg / ha的剂量对油菜和a菜杂草具有100%的抑制作用。将具有更高极性的取代基(例如亚磺酰基或磺酰基)引入1,3,4-噻二唑的5位会降低除草活性。
[EN] TETRAHYDROPYRAZOLO-PYRAZINYL-DIHYDROIMIDAZOLONE OR TETRAHYDROPYRAZOLO-PYRIDINYL-DIHYDROIMIDAZOLONE COMPOUNDS AND METHODS OF USING SAME<br/>[FR] COMPOSÉS DE TÉTRAHYDROPYRAZOLO-PYRAZINYLE-DIHYDROIMIDAZOLONE OU DE TÉTRAHYDROPYRAZOLO-PYRIDINYL-DIHYDROIMIDAZOLONE ET LEURS PROCÉDÉS D'UTILISATION
申请人:ECCOGENE SHANGHAI CO LTD
公开号:WO2022017338A1
公开(公告)日:2022-01-27
The application relates to a compound of Formula (I) : or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof, which modulates the activity of GLP-1 receptor, a pharmaceutical composition comprising a compound of Formula (I), and a method of treating or preventing a disease in which GLP-1 receptor plays a role.
Arbeiten über Phosphorsäure- und Thiophosphorsäureester mit einem heterocyclischen Substituenten. 5. Mitteilung. 2-Alkoxy- und 2-Alkylthio-5-chlormethy1--1, 3,4-thiadiazole, 2-Alkyl- 5-chlormethy1-1,3,4-oxadiazole und daraus hergestellte Thio- und Dithiop
作者:K. Rüfenacht
DOI:10.1002/hlca.19720550616
日期:1972.7.10
4-thiadiazoles are prepared by ringclosure of 3-chloroacetyl-thiocarbazic acid O-alkyl esters with concentrated sulfuric acid, 2-alkylthio-5-chloro-methy1-1,3,4-thiadiazoles directly from dithiocarbazic acid alkylesters with chloroacetylchloride in benzene in a one step synthesis omitting the 3-chloroacetyl-derivatives and 2-alkyl-5-chloro-methy1-1,3,4-oxadiazoles from 1-chloroacetyl-2-acyl-hydrazines