124589-98-6

Usage

Uses

Used in Organic Synthesis:
2-bromo-3-(ethylsulfonyl)-pyridine is utilized as a building block in organic synthesis for the development of various bioactive molecules. Its distinctive functional groups facilitate the creation of a broad spectrum of chemical entities.
Used in Pharmaceutical Research:
In pharmaceutical research, 2-bromo-3-(ethylsulfonyl)-pyridine is employed as a key intermediate for the preparation of pharmaceuticals. Its presence in the molecular structure can influence the pharmacological properties of the final drug product, contributing to the advancement of novel therapeutic agents.
Used in Agrochemical Production:
2-bromo-3-(ethylsulfonyl)-pyridine is used as a precursor in the production of agrochemicals. Its chemical properties allow for the synthesis of compounds that can be applied in agriculture to protect crops and enhance yields.
Used in Medicinal Chemistry:
In the field of medicinal chemistry, 2-bromo-3-(ethylsulfonyl)-pyridine is studied for its potential applications in the treatment of various health conditions. Its unique structure may contribute to the discovery of new drugs with improved efficacy and selectivity.

Upstream product

• 102-52-3 malonaldehydebis(dimethylacetal) 
• 13654-62-1 2-(ethanesulfonyl)acetonitrile 
• 927-63-9 3-dimethylaminoacrolein 

Relevant academic research and scientific papers

METHOD OF CONTROLLING HARMFUL ARTHROPOD USING HETEROCYCLIC COMPOUND

PROBLEM TO BE SOLVED: To provide a method of controlling harmful arthropods. SOLUTION: An effective amount of a compound represented by formula (I) or an N oxide thereof is applied to harmful arthropods, a habitat of harmful arthropods, plants or the soil, to control the harmful arthropods [Q1 is O or S; n is 1 or 2; Q2 is O or the like; A1 is N or CH or the like; A2 is N or CH or the like; A3 is N or CH or the like; A4 is N or CH or the like; T is a C1-C10 chain hydrocarbon group having one or more halogen atoms, or the like; q is 0-3; R2 is a cyclopropyl group, a C1-C6 alkyl group substituted/unsubstituted with one or more halogen atoms, or a (C1-C5 alkoxy) C2-C5 alkyl group having one or more halogen atoms, or the like; and R3 is a C1-C6 chain hydrocarbon group or the like]. SELECTED DRAWING: None COPYRIGHT: (C)2019,JPOandINPIT

HETEROCYCLIC COMPOUND AND HARMFUL ARTHROPOD CONTROLLING AGENT CONTAINING SAME

A heterocyclic compound that exhibits superior control effects against harmful arthropods is provided. In particular, a heterocyclic compound of formula (I) is provided, wherein the variable groups are as defined in the specification. Also provided is a composition containing the heterocyclic compound of formula (I) and one or more types of components selected from the components described in the specification.

Pest control composition and pest control method (by machine translation)

[Problem] to provide a pesticidal composition having excellent pest controlling activity. [Solution] for example, a compound represented by formula a - 1 is selected from a group of one or more j groups of components containing pest control composition. A group; acaricidal · · insecticidal nematicide, group b; sterilizing agent, group c; a plant growth-regulating agent, group d; phytotoxicity-reducing agents, group e; synergists, group f; the repellent, group g; molluscicide agent, h group; insect pheromone agent, i group; herbicide, group j; microorganism[Drawing] no (by machine translation)

Method for synthesizing 2-halo-3-substituted alkyl sulfonyl pyridine and intermediate thereof by using ionic liquid method

The invention discloses a method for synthesizing 2-halo-3-substituted alkyl sulfonyl pyridine and an intermediate thereof by using an ionic liquid method. The method comprises the following steps: adding substituted amino acraldehyde, an ionic liquid and substituted cyanoethyl sulphone into a reactor, uniformly mixing, performing reaction, and tracking the reaction till the substituted amino acraldehyde or the substituted cyanoethyl sulphone is completely reacted so as to obtain an intermediate; adding halogen hydride into a reaction liquid for continuous reaction, and tracking detection till the reaction is completed; adding an alkali liquid into the reaction liquid to adjust the pH value to 7-8, leaving to stand and layer so as to obtain a water layer and an organic layer, extracting the water layer by using an organic solvent, combining the organic layer, and refining, thereby obtaining the 2-halo-3-substituted alkyl sulfonyl pyridine. The method for synthesizing the 2-halo-3-substituted alkyl sulfonyl pyridine, which is disclosed by the invention, has the advantages of being green and environment-friendly, short in reaction time, simple to operate, high in product yield and relatively good in bactericidal activity of products.

Sulfonyl pyridine derivative and synthetic method thereof

The invention discloses a sulfonyl pyridine derivative and a synthetic method thereof. Substituted aminoacrolein, emulsifiers and substituent cyanoethyl sulfone are added into a reactor and are subjected to reaction at a certain temperature; the reaction is tracked until the substituted aminoacrolein or the substituent cyanoethyl sulfone is disappeared; then halogen hydride is added into reaction liquid to continuously carry out reaction, and the detection is tracked until the reaction is completely carried out; alkali liquid is added into the reaction liquid to regulate the pH value to 7-8, and standing and layering treatment is carried out to obtain a water layer and an organic layer; the water layer is extracted by using an organic solvent, then the organic layer is combined, and refining is carried out to obtain the sulfonyl pyridine derivative. The problems that the synthetic reaction time of the conventional sulfonyl pyridine derivative is long and more three-wastes are produced so as to be difficultly treated are solved, and the effects that the reaction yield is so high to reach 82% or above, even being up to 93.5%, and the operation process is simple, the sulfonyl pyridine derivative is green and environment-friendly, fewer three wastes are produced, and the sulfonyl pyridine derivative is suitable for industrial production are achieved.

A water phase synthesis of 2 - halo - 3 - substituted hydrocarbyl sulfonyl pyridine and its intermediate method (by machine translation)

The invention discloses a technique of synthesizing 2 - halo - 3 - substituted hydrocarbyl sulfonyl pyridine and intermediate method, substituted amino acrolein, catalyst and replace the cyanide sulfatoethyl, reaction at certain temperature, the tracking reaction to substituted amino acrolein or substituted cyanide b sulfone disappear, make the 2 - halo - 3 - substituted hydrocarbyl sulfonyl pyridine intermediates of the reaction solution; then adding hydrogen to the reaction solution to continue the reaction, tracking detection to the reaction is complete, to the reaction solution to adjust the pH value of the addition of alkali to the 7 - 8, to obtain the layered layer and the organic layer, the aqueous layer extracted by an organic solvent, then the combined organic layer, through the refining, make the 2 - halo - 3 - substituted hydrocarbyl sulfonyl pyridine. The aqueous synthesis of 2 - halo - 3 - substituted hydrocarbyl sulfonyl pyridine, effectively reduce the use of an organic solvent, in favor of environmental protection; short reaction time and the operation is simple, usually 4h can be completed within a reaction, the product yield is high, the yield can be 90% or more, higher than the traditional solvent the yield of heating reflux. (by machine translation)

Method for synthesizing 2-halo-3-substited alkylsulfonyl pyridine and intermediate compound thereof through microwave method

The invention discloses a method for synthesizing 2-halo-3-substited alkylsulfonyl pyridine and an intermediate compound thereof through a microwave method. The method comprises the following steps: adding substituted amino acraldehyde, a catalyst and substituent cyanoethyl sulfone into a reactor, reacting under microwave radiation, and tracking the reaction until the substituted amino acraldehyde or the substituent cyanoethyl sulfone reacts completely, thereby preparing the intermediate compound; adding halogen hydride into the reaction solution, further reacting, and tracking detection until the reaction is complete; and adding an alkaline solution into the reaction solution to regulate the pH value to 7-8, standing for stratification to obtain a water layer and an organic layer, extracting the water layer with organic solvent, then merging the organic layers, and refining to prepare the 2-halo-3-substited alkylsulfonyl pyridine. According to the invention, the method for synthesizing 2-halo-3-substited alkylsulfonyl pyridine has the advantages of greenness, environment friendliness, short reaction time, simple operation process and high product yield; and the product has favorable bactericidal activity.

Method for synthesizing 2-hylogen-3-alkyl substituted sulfonyl pyridine and midbody thereof in ultrasonic method

The invention discloses a method for synthesizing 2-hylogen-3-alkyl substituted sulfonyl pyridine and midbody thereof in an ultrasonic method. The method comprises the following steps: enabling substituted amino acraldehyde, a catalyst and substituted cyanoethyl sulfone to react under ultrasonic until the complete reaction to prepare a reaction solution of a 2-hylogen-3-alkyl substituted sulfonyl pyridine midbody; adding halogen hydride into the reaction solution at a certain of temperature, facilitating the continuous reaction until the complete reaction, adding an alkaline solution into the reaction solution, adjusting a pH value to 7 to 8, standing, layering into a water layer and an organic layer, extracting the water layer by using an organic solvent, combining the organic layer, refining to obtain the 2-hylogen-3-alkyl substituted sulfonyl pyridine. The 2-hylogen-3-alkyl substituted sulfonyl pyridine is synthesized by adopting the ultrasonic method, so that the organic synthetic reaction can be effectively facilitated, the reaction speed is increased, the reaction yield is increased, and the environmental protection is facilitated; and the reaction time is short, the operation is simple, the reaction can be completed generally in two hours, the product yield is high, the quality is good, and the yield can reach 90 percent or more which is higher than the yield of the traditional solvent-method heating refluxing method.

METHOD FOR MANUFACTURING CYANOPYRIDINE COMPOUND

PROBLEM TO BE SOLVED: To provide a novel method for manufacturing a cyanopyridine compound. SOLUTION: There is provided a method for manufacturing a cyanopyridine compound represented by the formula (1) by reacting a compound represented by the formula (4) and a cyanating agent. (4), (1), where R1 represents an alkyl group having 1 to 6 carbon atoms or a phenyl group which may have an alkyl group having 1 to 6 carbon atoms, the alkyl group having 1 to 6 carbon atoms may have a halogen atom, R2, R3 and R4 represent each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms which may have a halogen atom, X2 represents a halogen atom and n represents an integer of 0 to 2. COPYRIGHT: (C)2016,JPO&INPIT

Cyano-dienes, halopyridines, intermediates and a process for their preparation

This invention relates to certain cyano-dienes and halopyridines and the processes for their preparation from a protected 1,3-dialdehyde and a cyano-diene.