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H4SiW12O40-catalyzed cyclization of epoxides/aldehydes and sulfonyl hydrazides: An efficient synthesis of 3,4-disubstituted 1H-pyrazoles 认领 引用 被引量：2
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作者 Guoping Yang Xuanjie Xie +5 位作者 Mengyuan Cheng Xiaofei Gao Xiaoling Lin Ke Li Yuanyuan Cheng Yufeng Liu 《Chinese Chemical Letters》 SCIE CAS CSCD 2022年第3期1483-1487,共5页
A simple and efficient method for the synthesis of pyrazoles through a silicotungstic acid (H4SiW12O40)-catalyzed cyclization of epoxides/aldehydes and sulfonyl hydrazides has been developed. Various epoxides... A simple and efficient method for the synthesis of pyrazoles through a silicotungstic acid (H4SiW12O40)-catalyzed cyclization of epoxides/aldehydes and sulfonyl hydrazides has been developed. Various epoxides/aldehydes were smoothly reacted with sulfonyl hydrazides to furnish regioselectivity 3,4-disubstituted 1H-pyrazoles. The application of such an earth-abundant, readily accessible, and nontoxic catalyst provides a green approach for the construction of 3,4-disubstituted 1H-pyrazoles. A plausible reaction mechanism has been proposed on the basis of control experiments, GC-MS and DFT calculations. 展开更多
关键词 Silicotungstic acid Epoxides Aldehydes Sulfonyl hydrazides 3,4-Disubstituted 1H-pyrazoles
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Synthesis,antimicrobial evaluation and QSAR studies of 3-ethoxy-4-hydroxybenzylidene/4-nitrobenzylidene hydrazides 认领 引用 被引量：1
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作者 Davinder Kumar Archana Kapoor +2 位作者 Ananda Thangadurai Pradeep Kumar Balasubramanian Narasimhan 《Chinese Chemical Letters》 SCIE CAS CSCD 2011年第11期1293-1296,共4页
A series of 3-ethoxy-4-hydroxybenzylidene/4-nitrobenzylidene hydrazides（1-20） was synthesized and tested for in vitro antimicrobial activity.The results of antimicrobial studies indicated that the compounds having d... A series of 3-ethoxy-4-hydroxybenzylidene/4-nitrobenzylidene hydrazides（1-20） was synthesized and tested for in vitro antimicrobial activity.The results of antimicrobial studies indicated that the compounds having dinitro,methoxy,hydroxy and nitro substituents on phenyl ring of the aromatic acids were most active ones.The QSAR investigation indicated the importance of the topological parameter,third order molecular connectivity index（~3x） in describing the antimicrobial activity of synthesized hydrazides. 展开更多
关键词 Benzylidene hydrazides Synthesis Antimicrobial mt-QSAR LOO method
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Substituent effects on novel lanthanide(Ⅲ) hydrazides complexes 认领 引用
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作者 Samira G.Brandao Marcos A.Ribeiro +2 位作者 Rafael V.Perrella Paulo C.de Sousa Filho Priscilla P.Luz 《Journal of Rare Earths》 SCIE EI CAS CSCD 2020年第6期642-648,共7页
New lanthanide(Eu3+ and Gd3+) complexes were successfully synthesized and the effect of the p-phe nyl substituent on the Eu3+luminescent properties was evaluated.In this sense,benzhydrazide,p-toluic hydrazide,4-hydrox... New lanthanide(Eu3+ and Gd3+) complexes were successfully synthesized and the effect of the p-phe nyl substituent on the Eu3+luminescent properties was evaluated.In this sense,benzhydrazide,p-toluic hydrazide,4-hydroxybenzhydrazide and 4-aminobenzoic hydrazide were used as ligands and the complexes were obtained by mixing the lanthanide salts with hydrazides in ethanol at room temperature and keeping the reaction for 2 h under mechanical stirring.Crystal of Gd-amino was obtained and its structure was elucidated by single-crystal X-ray diffraction,revealing that Gd3+centered in a distorted tricapped trigonal-prismatic molecular geometry.IR spectroscopy and the elucidated structure confirm hydrazides acting as bidentate ligands binding to Ln3+ions through the oxygen of carbonyl group and the nitrogen of terminal amine,forming a five-membered ring,CHN analyses confirm the molecular formulas [Gd(amino)4(H2 O)](NO3)3·(C2 H5 OH) and [Eu(toluic)3(H2 O)3](NO3)3.Lower T1 state energies are observed for ligands p-substituted with higher electron donating capacity groups,such as p-NH2 and pOH.In contrast,higher lifetimes and quantum efficiencies are obtained for Eu3+complexes with ligands p-H and p-CH3 substituted,which are not deactivator groups. 展开更多
关键词 Lanthanide Hydrazide Substituent effect Photoluminescence Europium Gadolinium
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Corrigendum to“Palladium-catalyzed sulfonylative coupling of benzyl(allyl)carbonates with arylsulfonyl hydrazides”[Green Synth.Catal.3(2022)110–115] 认领 引用
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作者 Bozhen Gong Haibo Zhu +6 位作者 Yishuai Liu Qian Li Liu Yang Guorong Wu Qiangwen Fan Zongbo Xie Zhanggao Le 《Green Synthesis and Catalysis》 CSCD 2026年第3期359-359,共1页
We regret the omission of supplementary files in the original article.The author would like to apologise for any inconvenience caused.This article has an error in Scheme 1.The new Scheme 1 to this article is shown below.
关键词 palladium catalyzed coupling supplementary files error correction arylsulfonyl hydrazides benzyl allyl carbonates scheme modification scheme sulfonylative coupling
Reaction of 4-Ethoxyl-1,1,1-trifluoromethyl-3-butenone with perfluorophenyl hydrazine and perfluoroalkyl hydrazides 认领 引用
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《厦门大学学报（自然科学版）》 CAS 北大核心 1999年第S1期238-238,共1页
The presence of fluorine in biologically active compounds can impart a profound influence on their biological active. This influence has lead to the development of several potent agricultural and therapeutic agents[1]... The presence of fluorine in biologically active compounds can impart a profound influence on their biological active. This influence has lead to the development of several potent agricultural and therapeutic agents[1]. During the study on the reactions of 4 - ethoxyl - 1, 1, 1 -trifluoromathyl-3-butenone 1, we found which is a very useful building-block in synthesis of fluoro-containing heterocyclic compounds[2]. Compound 1 can react with perfluorophenyl hydrazine and afford 1- perfluorophenyl-5-trifluoromethyl- 5 -hydroxy-4, 5 -2H- pyrazole 2 in excellent yield. It’s structure is further supported by X-ray diffraction. 展开更多
关键词 Reaction of 4-Ethoxyl-1,1,1-trifluoromethyl-3-butenone with perfluorophenyl hydrazine and perfluoroalkyl hydrazides
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Chemical synthesis of Ub-AMC via ligation of peptide hydrazides 认领 引用 被引量：5
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作者 LIANG Jun FANG GeMin +4 位作者 HUANG XiuLiang MEI ZiQing LI Juan TIAN ChangLin LIU Lei 《Science China Chemistry》 SCIE EI CAS 2013年第9期1301-1306,共6页
The C-terminal conjugate of ubiquitin with 7-amino-4-methylcoumarin （Ub-AMC） is an important probe for fluorescencebased analysis of deubiquitinating enzyme （DUB） activity. It is important to develop more efficien... The C-terminal conjugate of ubiquitin with 7-amino-4-methylcoumarin （Ub-AMC） is an important probe for fluorescencebased analysis of deubiquitinating enzyme （DUB） activity. It is important to develop more efficient methods for the preparation of Ub-AMC because the currently available technology is still expensive for scaled-up production. In the present work we report an efficient strategy for total chemical synthesis of Ub-AMC through ligation of peptide hydrazides. Three peptide segments are assembled via N-to-C sequential ligation and the resulting product is converted to Ub-AMC via TCEP-mediated desulfurization. The synthetic Ub-AMC is shown to have expected biological functions throug 展开更多
关键词 h the measurement of its DUB activity.ligation of peptide hydrazides peptide segment condensation deubiquitinating enzymes ubiquitin
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Ce(III)-Containing tungstotellurate(VI)with a sandwich structure:an efficient Lewis acid-base catalyst for the condensation cyclization of 1,3-diketones with hydrazines/hydrazides or diamines 认领 引用 被引量：4
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作者 Guo-Ping Yang Shu-Xia Shang +1 位作者 Bing Yu Chang-Wen Hu 《Inorganic Chemistry Frontiers》 SCIE EI 2018年第10期2472-2477,共6页
A new Ce3+modified Dawson-like polyoxometalate cluster(C2H8N)12Na2[H10{Ce(H2O)5}2(Te2W37O132)]·39H2O was synthesized using pH and temperature-controlled one-pot strategy.... A new Ce3+modified Dawson-like polyoxometalate cluster(C2H8N)12Na2[H10{Ce(H2O)5}2(Te2W37O132)]·39H2O was synthesized using pH and temperature-controlled one-pot strategy.The compound was characterized by single-crystal X-ray structure analysis,IR spectroscopy,thermogravimetric(TG)analysis,X-ray photoelectron spectroscopy(XPS),and electrospray ionization mass spectrometry(ESI-MS).Singlecrystal X-ray structure analysis revealed that there was a new{Te2W37O132}structure and two Ce3+in this compound.Moreover,it is notable that this compound presents excellent Lewis acid-and Lewis base activities in the condensation cyclization of 1,3-diketones with hydrazines/hydrazides or diamines.All the desired products were obtained in moderate to good yields(up to 99%)and with a high turnover number(up to 4347). 展开更多
关键词 condensation cyclization hydrazines hydrazides Lewis acid base catalyst thermogravimetric analysis diketones electrospray ionization mass spectrometry esi ms singlecrystal diamines polyoxometalate cluster
Copper-Catalyzed Aerobic Oxidative Cleavage of Unstrained Carbon-Carbon Bonds of 1,1-Disubstituted Alkenes with Sulfonyl Hydrazides 认领 引用 被引量：2
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作者 Dong Yi Linying He +7 位作者 Zhongyu Qi Zhijie Zhang Mengshun Li Ji Lu Jun Wei Xi Du Qiang Fu Siping Wei 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2021年第4期859-865,共7页
Main observation and conclusion Alkoxy radical-mediated carbon-carbon bond cleavages have emerged as a powerful strategy to complement traditional ionic-type transformations.However,carbon-carbon cleavage reaction tri... Main observation and conclusion Alkoxy radical-mediated carbon-carbon bond cleavages have emerged as a powerful strategy to complement traditional ionic-type transformations.However,carbon-carbon cleavage reaction triggered by alkoxy radical intermediate derived from the combination of alkyl radical and dioxygen,is scarce and underdeveloped.Herein,we report alkoxy radical,which was generated from alkyl radical and dioxygen,mediated selective cleavage of unstrained carbon-carbon bond for the oxysulfonylation of 1,1-disubstituted alkenes,providing facile access to a variety of valuableβ-keto sulfones.Mechanistic experiments indicated alkoxy radical intermediate that underwent subsequent regioselectiveβ-scission might be involved in the reaction and preliminary computational studies were conducted to provide a detailed explanation on the regioselectivity of the C-C bond cleavage.Notably,the strategy was successfully applied for constructing uneasily obtained architecturally intriguing molecules. 展开更多
关键词 Carbon-carbon cleavage Alkoxy radical Copper-catalyzed 1,1-Disubstituted alkenes Sulfonyl hydrazides
Synthesis of 2-Amino-1,3,4-oxadiazoles through Elemental Sulfur Promoted Cyclization of Hydrazides with Isocyanides 认领 引用
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作者 Wenhu Bao Chuang Chen +5 位作者 Niannian Yi Jun Jiang Zebing Zeng Wei Deng Zhihong Peng Jiannan Xiang 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2017年第10期1611-1618,共8页
A novel sulfur-promoted cyclization of hydrazides and isonitriles to produce 1,3,4-oxadiazole has been devel- oped. The method is operationally simple and compatible with a wide scope of substrates and various 2-amino... A novel sulfur-promoted cyclization of hydrazides and isonitriles to produce 1,3,4-oxadiazole has been devel- oped. The method is operationally simple and compatible with a wide scope of substrates and various 2-amino- 1,3,4-oxadiazoles are efficiently obtained in good yields. 展开更多
关键词 novel hydrazides cyclization isocyanides 2-amino-1,3,4-oxadiazoles
Palladium-catalyzed sulfonylative coupling of benzyl(allyl)carbonates with arylsulfonyl hydrazides 认领 引用 被引量：3
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作者 Bozhen Gong Haibo Zhu +6 位作者 Yishuai Liu Qian Li Liu Yang Guorong Wu Qiangwen Fan Zongbo Xie Zhanggao Le 《Green Synthesis and Catalysis》 2022年第1期110-115,共6页
An efficient palladium-catalyzed sulfonylative coupling for the synthesis of benzyl(allyl)sulfones from sulfonyl hydrazides and carbonates was developed.The novel methodology employs easily accessible chemical feedsto... An efficient palladium-catalyzed sulfonylative coupling for the synthesis of benzyl(allyl)sulfones from sulfonyl hydrazides and carbonates was developed.The novel methodology employs easily accessible chemical feedstocks including stable and readily available arylsulfonyl hydrazides and benzyl(allyl)carbonates.A variety of benzyl(allyl)sulfones could be obtained in good to excellent yields in the presence of Pd(dppf)Cl2 without additional base under mild conditions. 展开更多
关键词 Benzylic(allylic)sulfones Sulfonyl hydrazides Carbonates C-O cleavage Palladium-catalyzed
NH4I-Catalyzed Synthesis of Sulfonamides from Arylsufonylhydrazides and Amines 认领 引用
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作者 Hui Yu Yonghao Zhang 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2016年第4期359-362,共4页
A novel and efficient approach to sulfonamides has been developed. Using TBHP as the oxidant and NH4I （20 mol%） as the catalyst, arylsulfonyl hydrazides reacted with amines to provide sulfonamides in moderate to goo... A novel and efficient approach to sulfonamides has been developed. Using TBHP as the oxidant and NH4I （20 mol%） as the catalyst, arylsulfonyl hydrazides reacted with amines to provide sulfonamides in moderate to good yields. Possible reaction pathway for the formation of the products was also discussed in this paper. 展开更多
关键词 sulfonamides arylsulfonyl hydrazides Amines TBHP oxidative coupling
Palladium/Copper Cocatalyzed Coupling Reaction of Aroyl Hydrazides with Indoles 认领 引用
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作者 Congrong Liu Fulai Yang 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2016年第12期1213-1217,共5页
An unprecedented palladium/copper cocatalyzed coupling reaction of indoles with simple aroyl hydrazides has been developed under aerobic conditions. A range of aroyl hydrazides underwent palladium/copper cocatalyzed o... An unprecedented palladium/copper cocatalyzed coupling reaction of indoles with simple aroyl hydrazides has been developed under aerobic conditions. A range of aroyl hydrazides underwent palladium/copper cocatalyzed oxidative arylation with indoles open to air in a 1：1 mixture of dimethyl sulfoxide and nitromethane to give structurally diverse 2-arylindoles or 3-arylindoles in moderate to good yields. The reaction well tolerates a wide variety of functional groups such as alkoxy, halo, ester. 展开更多
关键词 aroyl hydrazides coupling reaction indole palladium catalyst copper catalyst
Preparation of Peptide Selenoesters from Their Corresponding Acyl Hydrazides 认领 引用 被引量：3
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作者 Yunxue Li Jiazhi Liu +2 位作者 Qingqing Zhou Jie Zhao Ping Wang 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2021年第7期1861-1866,共6页
Main observation and conclusion Selenoesters are useful substitutes for traditional thioesters in protein ligation chemistry due to their high reactivity in the trans-thio/selenoesterification reaction.However,existin... Main observation and conclusion Selenoesters are useful substitutes for traditional thioesters in protein ligation chemistry due to their high reactivity in the trans-thio/selenoesterification reaction.However,existing synthetic routes to access peptide selenoester require a selenoesterification reaction between a selenide and a protected peptide with a free carboxylate at the C-terminus. 展开更多
关键词 Peptides Hydrazide Selenium Synthetic methods One-pot ligation
Soluble Polymer Supported (Diacetoxy)iodobenzene in Synthesis 认领 引用 被引量：2
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作者 Xia, M Wang, YG 《Chinese Chemical Letters》 SCIE CAS 2001年第10期869-872,共4页
Polyethylene glycol (PEG) supported (diacetoxy)iodobenzene as soluble polymer reagent can smoothly oxidize acid hydrazides into corresponding dimmers in good yields under very mild conditions.
关键词 PEG supported (diacetoxy)iodobenzene oxidation hydrazides dimmers
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A mild and facile method for one pot synthesis of 2,5-di-substituted 1,3,4-oxadiazoles at room temperature 认领 引用 被引量：5
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作者 Shahnaz Rostamizadeh Somaye Ghamkhar 《Chinese Chemical Letters》 SCIE CAS 2008年第6期639-642,共4页
2,5-Di-substituted 1,3,4-oxadiazoles 3a-n have been synthesized as a one pot procedure from the reaction of acid hydrazide 1, acyl halides 2 and phosphorus pentoxide in acetonitrile at room temperature. High yield, sh... 2,5-Di-substituted 1,3,4-oxadiazoles 3a-n have been synthesized as a one pot procedure from the reaction of acid hydrazide 1, acyl halides 2 and phosphorus pentoxide in acetonitrile at room temperature. High yield, short reaction time （10-15 min）, mild condition, and easy work-up are advantages of this methodology. 展开更多
关键词 1,3,4-Oxadiazole Acid hydrazide Acyl halide Phosphorus pentoxide
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Total synthesis of TRADD death domain with arginine N-GlcNAcylation by hydrazide-based native chemical ligation 认领 引用 被引量：1
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作者 Ye Wu Yulei Li +3 位作者 Wei Cong Yan Zou Xiang Li Honggang Hu 《Chinese Chemical Letters》 SCIE CAS CSCD 2020年第1期107-110,共4页
TNFR1-associated death domain protein(TRADD)with arginine N-GlcNAcylation is a novel and structurally unique posttranslational modification(PTM)glycoprotein that blocks the formation of death-inducing signaling comple... TNFR1-associated death domain protein(TRADD)with arginine N-GlcNAcylation is a novel and structurally unique posttranslational modification(PTM)glycoprotein that blocks the formation of death-inducing signaling complex(DISC),orchestrating host nuclear factorκB(NF-κB)signaling in entero-pathogenic Escherichia coli(EPEC)-infected cells.This particular glycosylated modification plays an extremely vital role for the effective colonization and pathogenesis of pathogens in the gut.Herein we describe the total synthesis of TRADD death domain(residues 195-312)with arginine235 NGlcNAcylation(Arg-GIcNAc TRADD(195-312)).Two longish peptidyl fragments of the wild-type primary sequence were obtained by robust,microwave-assisted,highly efficient,solid-phase peptide synthesis(SPPS),the N-GlcNAcylated sector was built by total synthesis and attached specifically to resinbound peptide with an unprotected ornithine residue via silver-promoted on-resin guanidinylation,ArgGlcNAc TRADD(195-312)was constructed by hydrazide-based native chemical ligation(NCL).The facile synthetic strategy is expected to be generally applicable for the rapid synthesis of other proteins with Arg-GIcNAc modification and to pave the way for the related chemically biological study. 展开更多
关键词 TRADD death domain Posttranslational modification Protein chemical synthesis Solid-phase peptide synthesis Native chemical ligation Peptide hydrazide
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Total synthesis of snake toxin α-bungarotoxin and its analogues by hydrazide-based native chemical ligation 认领 引用 被引量：1
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作者 Xiao-Qi Guo Jun Liang +3 位作者 Ying Li Yong Zhang Dongliang Huang Changlin Tian 《Chinese Chemical Letters》 SCIE CAS CSCD 2018年第7期1139-1142,共4页
Nicotinic acetylcholine receptors(nAChRs) play important roles in intercellular communications of nerve cells. α-Bungarotoxins(αBtx) is a moderator for the nAChRs. Chemical synthesis provides a promising way to acce... Nicotinic acetylcholine receptors(nAChRs) play important roles in intercellular communications of nerve cells. α-Bungarotoxins(αBtx) is a moderator for the nAChRs. Chemical synthesis provides a promising way to access aBtx and their analogues. Here, we reported a new method for a-bungarotoxin by combining Fmoc-SPPS and peptide hydrazide based ligation strategy. The two-segment ligation method may enable efficient synthesis of aBtx analogues. These synthetic toxin peptides are useful tools for development of imaging or therapeutic reagents. 展开更多
关键词 Chemical synthesis Native chemical ligation Peptide hydrazide α-Bungarotoxin Nicotinic acetylcholine receptors
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Synthesis and Crystal Structure of N-(1-Phenyl-3methyl-4-benzal-pyrazolone-5)-furoic Hydrazide 认领 引用
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作者 LIULang JIYa-Li +1 位作者 JIADian-Zeng YUKai-Bei 《Chinese Journal of Structural Chemistry》 SCIE CAS 北大核心 2003年第5期568-572,共5页
N-(1-Phenyl-3-methyl-4-benzal-pyrazolone-5)-furoic hydrazide (PMBP-FUH, C22H18N4O3, CCDC No: 188946) has been synthesized and characterized by IR spectrum, 1H NMR and single-crystal X-ray diffraction. The crystal is o... N-(1-Phenyl-3-methyl-4-benzal-pyrazolone-5)-furoic hydrazide (PMBP-FUH, C22H18N4O3, CCDC No: 188946) has been synthesized and characterized by IR spectrum, 1H NMR and single-crystal X-ray diffraction. The crystal is of orthorhombic, space group Pbca with a = 11.870(2), b = 15.951(3), c = 19.674(3) ? V = 3725.0(11) ?, Mr = 386.40, Z = 8, Dc = 1.378 g/cm3, F(000) = 1616, R = 0.0455 and wR = 0.0809. The inter- or intramolecular hydrogen bonds result in the formation of three-dimensional network structure. 展开更多
关键词 synthesis crystal structure furoic hydrazide pyrazolone
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Novel 1,3,5-thiadiazine-2-thione derivatives containing a hydrazide moiety:Design, synthesis and bioactive evaluation against phytopathogenic fungi in vitro and in vivo 认领 引用 被引量：3
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作者 Xiaobin Wang Xincan Fu +5 位作者 Min Chen An Wang Jinghua Yan Yudong Mei Mengqi Wang Chunlong Yang 《Chinese Chemical Letters》 SCIE CAS CSCD 2019年第7期1419-1422,共4页
A series of novel 1,3,5-thiadiazine-2-thione derivatives bearing a hydrazide moiety were designed, synthesized and evaluated for their antifungal activities against Rhizoctonia solani (Rs), Fusarium graminearum (Fg), ... A series of novel 1,3,5-thiadiazine-2-thione derivatives bearing a hydrazide moiety were designed, synthesized and evaluated for their antifungal activities against Rhizoctonia solani (Rs), Fusarium graminearum (Fg), Botrytis cinerea (Bc) and Colletotrichum capsici (Cc). The in vitro antifungal bioassays indicated that most of title compounds displayed good selectivity and specificity aganist Rs relative to Fg, Bc and Cc. Strikingly, the title compound N'-(4-chlorophenyl)-2-(5-phenyl-6-thioxo-1,3,5-thiadiazinan-3-yl)acethydrazide (5b) obviously inhibited the Rs growth in vitro with the EC50 value of 0.24μg/mL, which is approximately 2-folds more effective than the commercialized fungicide carbendazim (0.55 μg/mL). The in vivo anti-Rs effects of title compound 5b were further evaluated on rice leaves with control efficacies of 98.58% at 200 μg/mL and 61.27% at 100 μg/mL. The above researches provide a significant reference for the further structural optimization of 1,3,5-thiadiazine-2-thione derivatives bearing a hydrazide moiety as potential fungicides. 展开更多
关键词 1,3,5-Thiadiazine-2-thione Hydrazide Crop protection Antifungal activity Rhizoctonia solani
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Synthesis, insecticidal activity and molecular docking study of clothianidin analogues with hydrazide group 认领 引用 被引量：3
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作者 Shao-Hua Liu Wei Peng +5 位作者 Yan-Yan Qu Dan Xu Hong-Yue Li Dun-Lun Song Hong-Xia Duan Xin-Ling Yang 《Chinese Chemical Letters》 SCIE CAS CSCD 2014年第7期1017-1020,共4页
A series of novel neonicotinoid analogues were designed and synthesized by introducing a hydrazide group into clothianidin. Their structures were confirmed by IR, 1H NMR, and HRMS （ESI）. Preliminary bioassay showed ... A series of novel neonicotinoid analogues were designed and synthesized by introducing a hydrazide group into clothianidin. Their structures were confirmed by IR, 1H NMR, and HRMS （ESI）. Preliminary bioassay showed that some compounds, Sb and Sg, exhibited good activity against soybean aphids （Aphis glycines） at 100 mg L ^-1. In addition, molecular docking with receptor was carried out to explain their different activity from clothianidin. 展开更多
关键词 Clothianidin analogues Hydrazide group Insecticidal activity Molecular docking
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