Shenyang Sinochem Agrochemicals R&d Co., Ltd.

Jiangsu Yangnong Chemical Co., Ltd.

China Petroleum & Chemical Corporation

Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

Sinochem Corporation

Shenyang Research Institute of Chemical Industry Co., Ltd.

Tsinghua University

Hongfei Wu

Haibo Yu

Jingbo Xu

Xueming Cheng

Libao Xu

Ningning Sun

Jun Feng Liu

Mingfang Zheng

Tonglin Li

Chunxiao Guo

Ke Xu

Feng Pan

Bin Li

Yuquan Song

Qin Sun

Xiaoqing Wang

Lanfeng Ban

Songshuang Hu

Liang Chen

Yu Chen Zhou

Kai Sun

Jun Liu

Lixin Zhang

Shaowu Liu

Hong Zhang

Zhinian Li

Jing Zhang

Jilong Wang

Huibin Yang

Peng Li

Lizeng Wang

Yanmei Luo

Jie Zhao

Xiuhui Chang

Haiying Zhang

Huaijie Wang

Weizhen Li

Man Xu

Jingyu Chou

Lu Yu

Geng Sun

Hao Yang

Yangjun Lu

Guimin Zhao

Zeyong Zhang

Yan Cheng

Junli Liu

Yanping Qi

Zhiguang Jia

Chunhong Wu

Mingjun Xie

Lan Zhao

Xueling Wang

Zhongbao Ren

The present invention belongs to the field of acaricides, and relates to a liquid formulation of a biphenyl-containing compound and an application thereof. A liquid formulation of a biphenyl-containing compound takes compound A as an active component and comprises at least one carrier and at least one auxiliary. The weight percentage of the active component in the liquid formulation is 0.1%-99%. The liquid formulation of the present invention can control the particle size of the liquid formulation through a good auxiliary system, and has the characteristics of good dispersibility, high suspension rate, good biological activity, low dosage, low cost, resistance to rain washing, low residue and low toxicity to people and animals.

Liquid formulation of biphenyl-containing compound and application thereof

The present invention belongs to the fields of insecticides and acaricides, and particularly relates to a piperonylic acid derivative and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I has excellent insecticidal and acaricidal activity and can be used for controlling various pests and mites.

Piperonylic acid derivative and application thereof

The present invention discloses an oxime ether compound with novel structure. The structure is shown in general formula I. The definition of each substituent in the formula is provided in the description. The compound of general formula I has excellent microbicidal 1 activity, and has good control effects on plant bacterial diseases and fungal diseases. The present invention comprises an application of the compound of the general formula I as a microbicide in agriculture and other fields.

Oxime ether compound and application thereof

Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.

Method of preparing malononitrile oxime ether compound and intermediate compound

The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.

Piperonylic acid derivative and preparation and application thereof

A halogen-containing compound represented by a formula I and a use thereof as a ligand of an ethylene oligomerization catalyst composition, an ethylene oligomerization catalyst composition comprising the halogen-containing compound, and an ethylene oligomerization method, ethylene trimerization method and ethylene tetramerization method using the catalyst composition are provided. Serving as the ligand of the ethylene oligomerization catalyst, the halogen-containing polymer may effectively improve the catalytic performance of a catalyst system, especially by displaying a significantly improved catalytic performance in an ethylene oligomerization reaction. The maximum catalyst activity may exceed 4&#xd7;10g&#xb7;mol(Cr)&#xb7;h, and the total selectivity of 1-hexene and 1-octene exceeds 92 wt %. In a C6 product, the content of 1-hexene may reach about 97%, and in a C8 product, the content of 1-octene may reach more than 98%.

Halogen-containing compound and use thereof as catalyst ligand in ethylene oligomerization

A halogen-containing compound as shown in a formula I can be used as a ligand for an ethylene oligomerization catalyst composition. The ethylene oligomerization catalyst composition containing the halogen-containing compound can be used to catalyze ethylene oligomerization, trimerization and tetramerization reactions. As a ligand of a catalyst for ethylene oligomerization, a fluoropolymer can effectively improve the catalytic performance of a catalyst system, and particularly exhibits improved activity and selectivity in an ethylene oligomerization reaction. 

Halogen-containing compound and use thereof, catalyst composition, and ethylene oligomerization, trimerization and tetramerization methods

A method and a system for controlling a distributed power generation system are disclosed. The distributed power generation system includes N sub isolated three-port converters and N independent distributed DC power sources in a one-to-one correspondence to the N sub isolated three-port converters, N is a natural number greater than 1; an input-port of each of the sub isolated three-port converters is connected to the corresponding distributed DC power source, bidirectional-ports of the sub isolated three-port converters are connected in parallel to build a low voltage DC bus, and output-ports of the sub isolated three-port converters are connected in series and connected to a medium voltage DC distribution network. The control method comprises: controlling an input power of each of the sub isolated three-port converters independently, performing a power-voltage droop control strategy based on a virtual resistor on the bidirectional-port and the output-port to realize the stable control of the bidirectional-port voltage and the voltage sharing control of the output-port voltage of each of the sub isolated three-port converters. A modular design is realized. Thus a viable technical solution is provided for connecting the distributed power generation system to the medium voltage DC distribution network.

Control method and control system for a distributed power source energy generation system

Disclosed is a malononitrile oxime ether compound having a novel structure as shown in the general formula I. Respective substituents in the general formula I as defined in the specification.  The compound of the general formula I exhibits an excellent microbicidal activity, and can effectively prevent and treat plant diseases caused by bacteria and fungi. Also provided is a use of the compound of the general formula I as a microbicide in the agricultural and other fields.

Malononitrile oxime ether compound and use thereof

The present disclosure relates to acaricide, specifically to a kind of biphenyl compounds and uses thereof. The general formula I is as follows: wherein: each substituent is defined as that in the description. The compounds of the general formula I show high acaricidal activities and can be used for controlling various harmful mites.

Biphenyl compounds and applications thereof

Provided are a process for preparing an N ortho acyl substituted nitrogen-containing heterocyclic compound and an aminal iron (II) complex thereof, and the use of the complexes obtained by the process in an olefin oligomerization catalyst. The N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is for example 2-acyl-1,10-phenanthroline or 2,6-diacetyl pyridine as shown in formula b, and the N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is produced by a reaction of a precursor thereof in a substituted or unsubstituted nitrobenzene. Preferably the precursor shown in formula I in the present invention is produced by 1,10-phenanthroline reacting with trialkyl aluminum, or a halogenoalkyl aluminum RAIX, or a substituted or unsubstituted benzyl lithium Ph'CHLi, followed by hydrolysis. The preparation method provided in the present invention has a few synthetic steps, an easy process, a low toxic effect, and reduces the preparation costs of the catalyst, and has a promising outlook in the industrial application. 

N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (II) complexes thereof

A kind of pyrazolyl acrylniitrile compounds represented by the structures of formula I or stereoisomers thereof are disclosed in the present invention.  Where in: Ris selected from the group of substituents consisting of H, C-Calkoxy C-Calkyl, C-Calkenyloxy C-Calkyl, C-Calknyloxy C-Calkyl, C-Calkylthio C-Calkyl, C-Calkyl carbonyl, C-Ccycloalkyl carbonyl, C-Calkoxy carbonyl or C-Calkylthio carbonyl; Ris Cl or methyl; Ris H, methyl, CN, NOor halogen. Or its stereoisomers. The Formula I compounds have high insecticidal activities or acaricidal activities, so they can be used as insecticide or acaricide.

Pyrazolyl acrylonitrile compounds and uses thereof

A preparation method of phenylcarboxamides of formula (I), the reaction scheme of which is as follows: wherein the groups are defined in the description. In this method, 3-halo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid esters (V) as the raw materials are hydrolyzed to obtain carboxylic acids of formula (IV) under a basic condition, and carboxylic acids (IV) are simultaneously acyl halogenated and oxidated to get acyl halide of formula (III), and then without the presence of a acid binging agent, acyl chlorides (III) are reacted with substituted anilines (II) to get phenylcarboxamides of formula (I) in high yield.

Preparation method of phenylcarboxamides

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Beijing, China

Hongfei Wu