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Determination of Pesticide Residues in Soils of Cotton Farming Areas in Togo: 《Journal of Agricultural Chemistry and Environment》2022年第4期285-295,共11页Diyakadola Dihéénane Bafai Sanonka Tchegueni Magnoudéwa B. Bodjona Moursalou Koriko Gado Tchangbedji Georges Merlina; The main cash crop in Togo is cotton, with about 70% of agricultural exports. This crop is very dependent on the use of chemical inputs, in particular pesticides. Pesticides used in cotton farming in Togo include orga...; 关键词：PESTICIDES SOILS Residues ORGANOCHLORINES TRIAZINES

Access to pyridines via cascade nucleophilic addition reaction of 1,2,3-triazines with activated ketones or acetonitriles: 《Chinese Chemical Letters》2021年第1期393-396,共4页Yuan Zhang Han Luo Qixing Lu Qiaoyu An You Li Shanshan Li Zongyuan Tang Baosheng Li; the financial support from the National Natural Science Foundation of China(No.21772019);Young Elite Scientist Sponsorship Program by CAST(No.2016QNRC001);The Fundamental Research Funds for the Central Universities(No.2019CDQYHG015);The Basic and Frontier Research Project of Chongqing(No.cstc2018jcyj AX0716);The Venture&Innovation Support Program for Chongqing Overseas Returnees(No.cx2019007)。; We studied the cascade nucleophilic addition reactions of 1,2,3-triazines with activated acetonitriles or ketones,which were used to construct highly substituted pyridines that are not easily accessed by conventional ...; 关键词：1 2 3-Triazines PYRIDINES Nucleophilic addition Divergent synthesis Pharmaceuticals synthesis

Metal-free synthesis of 1,2,3-benzotriazines被引量：1: 《Chinese Chemical Letters》2020年第12期2989-2990,共2页Jin-Yang Chen Ying-Wu Lin Wei-Min He; The recent molecular iodine catalyzed[1,2]-rearrangement of aryl amines and 3-amino-1 H-indazolesfor the synthesis of 1,2,3-benzotriazines is highlighted.; 关键词：IODINE METAL-FREE Rearrangement reaction 1 2 3-Benzotriazines

Synthesis of New Fluorinated Amino-Heterocyclic Compounds Bearing 6-Aryl-5-Oxo-1,2,4-Triazin-3-Yl Moiety as Antimicrobial Agents: 《International Journal of Organic Chemistry》2018年第4期349-358,共10页Wafa A. Bawazir Reda M. Abdel-Rahman; Some more new fluorine substitutedamino compounds bearing 6-aryl-5-oxo-1,2,4-triazin-3-yl moieties and its derivatives 3 - 7 have been synthesised successfully from aroylation of 6-(2’-aminophenyl)-3-thioxo-1,2,4-tri...; 关键词：Facile Synthesis Fluoro-Amino-1 2 4-Triazines Antimicrobials

Synthesis of 1,2,4-Triazine Compounds via Two Distinct One-Pot Domino Protocols: 《Chinese Journal of Chemistry》2017年第8期1222-1226,共5页Yafeng Liu Xin Guo Dong Tang Jing Wang Ping Wu Jianwei Han Baohua Chen; Acknowledgement We are sincerely grateful for sponsorship of this project by the National Natural Science Foundation of China （No. 21372102）.; 1,2,4-Triazine compounds were synthesized via two coupled domino strategies employing simple and readily available arylacetaldehydes/arylethyl alcohols as starting materials. The reactions proceed smoothly in one pot ...; 关键词：TRIAZINES ALDEHYDES ALCOHOLS N-aminobenzamidines DOMINO

An efficient synthetic approach towards new 5,5'-diaryl-2,2'-bipyridine-based fluorophores: 《Chinese Chemical Letters》2017年第5期1099-1103,共5页Alexey P.Krinochkin Dmitry S.Kopchuk Nikolay V.Chepchugov Grigory A.Kim Igor S.Kovalev Matiur Rahman Grigory V.Zyryanov Adinath Majee Vladimir L.Rusinov Oleg N.Chupakhin; supported by the Russian Science Foundation(No.15-13-10033); An efficient approach has been developed for the synthesis of 5,5＇-diaryl-2,2＇-bipyridines via their 1,2,4-triazine analogues.The notable advantages of the present method are：The possibility of varying the aromatic...; 关键词：2 2＇-Bipyridines 1 2 4-Triazines Aza-Diels-Alder reaction Fluorescence

Assessment of Triazine Herbicides in Soil by Microwave-assisted Extraction Followed by Gas Chromatography Coupled to Mass Spectrometry Detection被引量：1: 《Journal of Chemistry and Chemical Engineering》2017年第1期1-8,共8页Darlan Ferreira Silva Maria Diva Landgraf Maria Olimpia Oliveira Rezende; An alternative and fast method for the analysis of a mixture of nine triazines herbicides in soil is presented. The method is based on MAE （microwave-assisted extraction） of herbicides using ethyl acetate as extract...; 关键词：Factorial design response surface methodology microwave-assisted extraction HERBICIDES triazines.

Synthesis and Structure of Azacalix[2]pyrimidine[2]triazines and Their Self-assembly in the Solid State: 《Chinese Journal of Chemistry》2014年第10期1033-1038,共6页Lixia Wang Dexian Wang Meixiang Wang; We thank the National Natural Science Foundation of China(Nos.21132005,21121004);the Ministry of Science and Technology of China(Nos.2011CB932501,2013CB834504)for financial support.; A number of azacalix[2]pyrimidine[2]triazines were synthesized in moderate to good yields from both a step-wise fragment coupling approach and a one-pot reaction strategy starting from 4,6-diaminopyrimidines and cyanu...; 关键词：pyrimidine[2]triazine fragment coupling approach one-pot reaction SELF-ASSEMBLY hydrogen bond

Reactivity of AllylSmBr/HMPA： Facile Synthesis of 3-Aryl-1,2,4-benzotriazines: 《Chinese Journal of Chemistry》2013年第1期143-148,共6页Ruifeng Yin Liejin Zhou Huili Liu Hui Mao Xin Lue Xiaoxia Wang; Acknowledgement This work was financially supported by National Natural Science Foundation of China （No. 20802070） and the research foundation from Key Laboratory of Synthetic Organic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry （CAS）. We thank Professor Ran Hong at SIOC for helpful discus- sions.; 3-Aryl-l,2,4-benzotriazines were conveniently prepared in moderate to good yields from 1,1-bis（benzotriazol-1- yl）methylarenes with allylsamarium bromide/hexamethylphosphramide （allylSmBr/HMPA）. Preliminary result...; 关键词：benzotriazines SAMARIUM allyl bromide hexamethylphosphramide （HMPA） reduction

Selective mono-arylation in palladium-catalyzed cross-coupling reaction of dichlorotriazines with phenylboronate ester derivatives被引量：2: 《Chinese Chemical Letters》2013年第1期41-44,共4页Jin-Fu Dong Xin Yu Cheng-Qing Ning Liang Hu Nie-Fang Yu; the National Natural Science Foundation of China(Nos.30873137,30772645 and 81172927) for their financial support; Palladium-catalyzed cross-coupling reaction between dichlorotriazines and phenylboronate esters produced the mono-awlated triazines selectively and thus, the corresponding phenyltriazine derivatives could be assembled...; 关键词：Suzuki cross-coupling reactionDichlorotriazinesAryl boronic estersPd（PPh3）4

TRIAZINES