3-(Diethylamino)-7-imino-7H-(1)benzopyrano(3',2':3,4)pyrido(1,2-a)benzimidazole-6-carbonitrile

This is the name of 3- (diethylamino) -7 -imino-7H- (1) benzopyrano (3 ′, 2 ′: 3, 4) pyridino (1, 2 - a) benzimidazole-6 -formonitrile. To clarify its chemical structure, let me explain in detail.
This compound is formed by fusing several parts. Its core is benzopyran structure, and the oxygen atoms on the pyran ring are embedded in it like pearls, giving the molecule a specific electron cloud distribution and chemical activity. In the specific position of benzopyran, it fuses with the structure of pyridine benzimidazole, which is like a carefully constructed pavilion. The interaction between the rings affects the spatial configuration and properties of the molecule. The 3 position of
is connected with a diethylamino group, which is like an extended tentacle, which affects the solubility and electron cloud density of the molecule. In the diethylamino group, the lone pair electron of the nitrogen atom can participate in the electron conjugation system, changing the charge distribution of the molecule, which in turn affects its spectral properties and chemical reactivity. The 7 position of
is an imino group. The existence of this imino group forms a specific hydrogen bond network or conjugate system in the molecule, which also has a significant impact on the stability and reactivity of the molecule. The electron cloud state of its nitrogen atom determines the nucleophilic or electrophilic properties of the location, and plays a key role in chemical reactions. The methonitrile group at position
6 is as conspicuous as a flag, and the triple bond of the -CN group endows the molecule with unique chemical properties. Methonitrile groups can participate in a variety of organic reactions, such as hydrolysis to form carboxylic acids, addition reactions with nucleophiles, etc., which greatly expands the chemical synthesis potential of this compound.
In summary, the chemical structure of this compound is complex and delicate, and the cooperation of various partial groups endows it with rich chemical properties and potential application value.

3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2-a) benzimidazole-6-formonitrile The physical properties of this substance are particularly important, which is related to its application in various fields.
Looking at its morphology, it is mostly solid at room temperature, which is caused by its intermolecular force. Its crystallinity is good, and the crystal structure is regular and orderly, which makes the appearance have a certain luster and texture, just like the shape of natural jade after being carved. < Br >
When it comes to solubility, it shows a certain solubility in common organic solvents, such as ethanol and dichloromethane. However, in water, the solubility is quite small. This is because its molecular structure contains many hydrophobic groups, and the interaction with water molecules is weak, just like the intolerance of oil and water.
Its melting point is also a key physical property. After determination, the melting point is in a certain temperature range, which is the critical interval between its solid and liquid states. The melting point is determined by factors such as the intermolecular force and the tightness of the crystal structure. It is like a threshold of a solid fortress. Beyond this boundary, the state of matter changes.
Furthermore, density is also an important physical property. Its density has a specific value, which reflects the mass of the substance within a unit volume. This value has reference value in material selection, process design, etc. It is like a weight to measure its weight and provide a basis for practical application.
As for the refractive index, it represents the degree of refraction of light when passing through the material. This property is closely related to the molecular structure and the distribution of electron clouds. It is like a guide for light to pass through a maze and affects its optical properties.
The above physical properties, such as morphology, solubility, melting point, density, refractive index, etc., are interrelated and affect each other, and together outline the physical properties of 3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2-a) benzimidazole-6-formonitrile, which lays the foundation for its research, development and application.

3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2-a) benzimidazole-6-formonitrile is a complex organic compound. Its uses involve the field of medicine and materials science.
In the field of medicine, or with potential biological activity. First, or as a lead compound for the development of anti-cancer drugs. Due to the structure of nitrogen-containing heterocycles and conjugated systems, it can interact with specific targets of cancer cells and interfere with the regulatory mechanisms of cancer cell proliferation, metastasis and apoptosis. Second, it may be possible to develop drugs for neurological diseases. With a specific structure, it can pass through the blood-brain barrier, bind to neurotransmitter receptors or ion channels, and regulate nervous system functions, such as for neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease, or improve neurotransmission abnormalities and nerve cell damage.
In the field of materials science, due to the conjugation of molecular structures, it may have unique optical and electrical properties. First, it can be used in organic Light Emitting Diode (OLED) materials. Its conjugated structure can generate fluorescence when excited. After optimization, it can improve the luminous efficiency and color purity of OLEDs, which can be used in display screen manufacturing to improve display quality. Second, or as an organic solar cell material, the conjugated structure is used to absorb light and generate electron-hole pairs. After molecular design and optimization, the photoelectric conversion efficiency is improved, and new materials for solar energy utilization are provided.
Therefore, 3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyrido (1,2-a) benzimidazole-6-formonitrile has important research value and potential application prospects in the fields of medicine and materials science.

To prepare 3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2-a) benzimidazole-6-formonitrile, the method of synthesis, through the ages, many parties have their own ideas.
One method is to first take an appropriate benzopyran derivative as the base, and introduce diethylamino at the specific check point of this derivative. This step requires selecting suitable reaction conditions, such as appropriate temperature and pressure, and selecting a precise catalyst to promote the smooth progress of the reaction and make the diethylamino group fall precisely at the required check point.
Next, the product that has been introduced with diethylamino group is ingeniously converted to form an imino structure. This process may involve fine reaction regulation, and attention should be paid to the pH of the reaction medium and the ratio of the reactants, so that the imino group is produced as expected and the purity of the product is ensured.
Furthermore, the structure of pyridino (1,2-a) benzimidazole is constructed. This step is quite critical, often relying on a series of organic reactions, either condensation reactions or cyclization reactions. Among them, it is essential to monitor the reaction process, and the rhythm of the reaction needs to be controlled in a timely manner to prevent side reactions from occurring and causing impure products.
Another method is to establish the framework of pyridino (1,2-a) benzimidazole first, and then gradually introduce benzopyran structure and diethylamino, imino and formonitrile groups on it. However, this path is not easy. Every step of introducing groups requires considering the interaction between groups and fine-tuning the reaction conditions in order to achieve the desired synthetic effect.
In the process of synthesis, there are many variables. It is necessary for the experimenter to gain insight into the situation, adjust the strategy flexibly according to the actual reaction situation, and carefully weigh the sequence of each reaction step and the subtle changes in the reaction conditions. Only then can the 3 - (diethylamino) -7 -imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2 -a) benzimidazole-6 -formonitrile be prepared efficiently and with high purity.

3- (diethylamino) -7-imino-7H- (1) benzopyrano (3 ', 2': 3,4) pyridino (1,2-a) benzimidazole-6-formonitrile This substance is a matter of safety and requires careful attention.
First of all, it is chemically active. When operating, keep your hands clean and dry. Wear protective clothing, especially protective gloves and goggles. Because it may be irritating to the skin and eyes, if you accidentally touch the skin, you should quickly rinse with a large amount of water and seek medical treatment; if it splashes into the eyes, you need to rinse with a large amount of water immediately for a few minutes, and then rush to the hospital.
Furthermore, this chemical is also particular about storage. It should be placed in a cool, dry and well-ventilated place, away from fires and heat sources. Because of its flammability, if it encounters an open flame or hot topic, there is a risk of combustion and explosion. When storing, it should be stored separately from oxidants, acids, alkalis, etc., and must not be mixed to prevent dangerous chemical reactions.
In addition, during use, it should be operated in a fume hood to prevent the inhalation of harmful gases. If the dust or smoke of the substance is inhaled, or it causes respiratory irritation, causing cough, asthma and other symptoms. If it is unfortunate to inhale, it should be quickly moved to a fresh air place to keep the respiratory tract unobstructed. If breathing difficulties, oxygen needs to be delivered and rushed to the hospital.
In addition, disposal should not be ignored. It should not be discarded at will. It should follow relevant regulations and be handed over to a professional waste treatment institution for disposal according to specific procedures to avoid polluting the environment.
In short, when treating this chemical substance, it should be treated with caution and strict safety procedures should be followed, so as to ensure personal safety and the environment.