N4-(2-methylpropyl)quinoline-3,4-diamine

The chemical properties of N4- (2-methethyl) benzyl-3,4-dibromide are as follows:
This compound contains a benzyl structure. The benzyl group partially interacts with the side chain of the benzene ring, so that the hydrogen on the α-carbon has a certain activity and can undergo a substitution reaction. For example, in the presence of appropriate nucleophiles and suitable reaction conditions, the bromine atom on α-carbon can be replaced by nucleophiles, nucleophiles such as sodium alcohol, amines, etc., to generate corresponding substitution products. The bromine atom in the
molecule has a strong carbon-bromine bond polarity due to the greater electronegativity of bromide. The substitution of 3,4-dibromo at a specific position in the benzene ring changes the electron cloud density distribution of the benzene ring. Under the influence of the electron-absorbing induction effect of bromine atom, the electron cloud density of the adjacent and para-site of the benzene ring is relatively reduced, and the electrophilic substitution reaction activity is decreased compared with that of benzene, and the reaction mainly occurs in the meta-site.
In the reduction reaction, if a suitable reducing agent is encountered, such as the system of metal zinc and acid, the carbon-bromine bond can be reduced and broken, and the bromine atom is replaced by the hydrogen atom to generate the corresponding debromination product.
From the stability point of view, the compound is relatively stable at room temperature, room pressure and no special chemical environment, but when it encounters high temperature, strong oxidant or specific catalyst, a chemical reaction will occur. In the field of organic synthesis, the reactivity of carbon-bromine bonds is often used to construct new carbon-carbon bonds or carbon-hetero bonds to synthesize more complex organic compounds.

N4- (2-methylethyl) benzyl-3,4-dibromo has important uses in many fields.
In the field of medicinal chemistry, it can be used as a key intermediate for drug synthesis. With its specific chemical structure, it can undergo a series of chemical reactions to construct drug molecules with specific pharmacological activities. For example, in the preparation of some antibacterial drugs, the reactivity of benzyl and bromine atoms in the structure can enable molecules to achieve directional modification, and then obtain drugs with high inhibitory effect on specific bacteria.
In the field of materials science, it can participate in the synthesis of high-performance materials. For example, when synthesizing polymers with special optical or electrical properties, they are introduced into the polymer backbone as functional monomers, and the conjugated structure of benzyl groups and the electronic effect of bromine atoms endow the polymer with unique photoelectric properties, such as luminescent materials for the manufacture of organic Light Emitting Diodes (OLEDs), or polymer materials for the preparation of special electrical conductivity.
In organic synthesis chemistry, it is an extremely important synthetic building block. Different groups in its structure can undergo diverse reactions, such as nucleophilic substitution reactions, coupling reactions, etc. Chemists can use these reactions as a starting material to build more complex and diverse organic compounds, providing a rich material foundation for the development of organic synthetic chemistry and promoting the development and creation of new organic compounds.

To prepare N4- (2-methylethyl) urea-3,4-dicarboxylic, the following method can be followed.
First take the appropriate raw materials and start with a suitable reaction. The compound containing 2-methylethyl can be made to meet the substance containing the urea group and having an appropriate activity check point. Under suitable reaction conditions, such as at a specific temperature, pressure and the presence of a catalyst, the two react. Through chemical bonding, the intermediate containing N4- (2-methylethyl) urea structure is initially obtained. In this process, the reaction parameters need to be carefully adjusted. Too high or too low temperature and improper pressure may cause the reaction rate to be too slow, the yield to be low, or unnecessary by-products may be generated.
Next, for the obtained intermediate, a 3,4-dicarboxyl group is to be introduced. At this time, a suitable carboxylating agent can be selected, and the reaction path is cleverly designed. For example, a specific halogenated carboxylic acid derivative is used to carry out nucleophilic substitution reaction with the intermediate under the action of a base. In this step, the strength and dosage of the base, the activity and dosage of the halogenated carboxylic acid derivative are all key factors. If the base is too strong, or the activity of the halogenated carboxylic acid derivative is too high, it is easy to cause an overreaction, resulting in impurity of the product.
Or consider introducing a carboxylic group by oxidation reaction. If a suitable functional group in the intermediate is selected, an appropriate oxidizing agent is selected, and it is gradually oxidized to a carbox However, it should be noted that the selectivity of the oxidation reaction is extremely important to avoid unnecessary oxidative damage to other functional groups.
The entire synthesis process requires fine control of each step of the reaction. The progress of the reaction and the purity of the product should be monitored and analyzed in real time with the help of modern analytical methods, such as chromatography, spectroscopy and other technologies. After each step of the reaction is completed, the product is separated, purified, and impurities are removed to ensure the purity and quality of the final product. Only then can N4- (2-methylethyl) urea-3,4-dicarboxylic be efficiently and accurately prepared.

What I am asking you is about the market price of N4- (2-methylethyl) benzyl-3,4-dibromide. Sadly, this is not what I covered in "Tiangong Kaiwu", and it is difficult to determine its price.
The author of "Tiangong Kaiwu" is also a book of crafts in the world. It is detailed in the methods of agriculture and mulberry, hardware, pottery, boats and carriages, etc. However, the market price of chemical compounds is not recorded.
In today's world, prices often vary depending on the origin, quality, supply and demand. This N4- (2-methylethyl) benzyl-3,4-dibromide, or a fine chemical product, its price must be determined by many factors such as raw material cost, production process, market demand, etc. If you want to know the exact price, you should consult the merchants and practitioners in the chemical product trading market, or refer to the chemical product price information platform to get its more accurate price information. Although I can't answer your question with the knowledge in the book, I hope you can follow this way to solve your doubts.

The safety and toxicity of N4- (2-methylethyl) benzyl-3,4-dihydroxy are related to human life and the safety of the use, and cannot be ignored.
The safety of this compound needs to be investigated in detail under various environments and uses. If it is involved in the use of medicinal stones, it must be rigorously tested to observe the various reactions after it is entered into the body, and there is no danger of harming health and damaging the viscera. The viscera of the human body are delicate, such as a ring without reason, a trace of harmful substances enter the body, or cause the qi and blood to be perverse and the meridians to block.
In terms of its toxicity, it should not be ignored. In the environment, it may affect the surrounding ecology. For example, if it flows into a water source, aquatic spirits, from micro-algae to strong fish, may be harmed by it. Poisonous nature, or cause vitality to decline, destroying the harmony of nature. If it is used for work, it should also be checked to see if it is harmful to those who work. During work, people touch and breathe it, and toxicity or quietly enter the body. Over time, it can cause illness.
Gu Yun: "If a husband uses medicine as a soldier, he must understand its nature and detect its harm, so that he can protect himself and treat the disease." Compounds such as N4- (2-methylethyl) benzyl-3,4-dihydroxy should also be carefully examined for their safety and toxicity, and should not be used rashly, so as not to cause harm to people and nature. It is necessary to go through many experiments and long-term observation to understand its advantages and disadvantages before they can be used effectively to ensure the well-being of everyone and the peace of the world.