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P-methoxybenzoyl chloride is crystalline or liquid, soluble in acetone and benzene. It is mainly used as a pharmaceutical intermediate.Low melting point crystal or liquid. Melting point 22℃, boiling point 262-263℃ (slight decomposition), 160-164℃/4.7kPa, 145℃/1.9kPa, bending light rate 1.5810, flash point 87℃, decomposition in water or alcohol, soluble in acetone, benzene.…

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Methoxybenzoicacid (Methoxybenzoicacid), also known as p-anisic acid, 4-anisic acid, anisic acid, at room temperature is colorless needle-like crystal, soluble in ethanol, ether, chloroform, slightly soluble in hot water, insoluble in cold water. The intermediate p-methoxybenzoyl chloride of ethamiodarone is prepared by chlorination of thionyl chloride. It is used as an…

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4-amino-3, 5-dichloro-α-bromoacetophenone has been widely used in industrial chemistry, agricultural chemistry and pharmaceutical chemistry, as a selective oxygen and green coupling agent in a variety of oxidation reactions, rearrangement reactions, amination reactions and catalytic reactions in place of transition metals play an important role.

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3, 5-dichloro-4-aminoacetophenone is beige crystalline and can be used as pharmaceutical intermediates.Beige crystal. Melting point 158-160℃. Insoluble in cold water, slightly soluble in hot water, easily soluble in ethanol, ether, benzene and other organic solvents.

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4-aminoacetophenone is yellow needle crystal, soluble in hot water, alcohol, dilute acid, slightly soluble in benzene, cold water. It can be used as pharmaceutical intermediates.

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Dimethocaine, English name Dimethocaine, light yellow solid at room temperature and pressure, with a certain alkaline. Dimethylcaine is a local anesthetic/amide local anesthesia drug, its advantages are not only stronger than bilidocaine, fast, durable, and toxic bilidocaine, tetracaine low, so widely used in infiltration anesthesia, conduction anesthesia, epidural anesthesia and so on.

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Lidocaine hydrochloride has the characteristics of strong penetration, strong dispersion, quick effect, anesthetic efficacy is twice that of procaine, and toxicity is 1. The anesthetic effect can appear 5 minutes after administration, and the anesthetic effect can last 1 to 1.5 hours, 50% longer than procaine. After absorption, can inhibit…

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Procaine hydrochloride is white fine needle crystal or crystalline powder at room temperature, odorless, slightly bitter and hemp, easily soluble in water, soluble in ethanol, slightly soluble in chloroform, almost insoluble in ether. The ester bond in the structure of procaine hydrochloride can be hydrolyzed to form p-aminobenzoic acid and…

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The duration of local anesthesia of procaine is about 1 hour, and the effect can be maintained for 1 to 2 hours if a trace amount of epinephrine is added to the liquid. It has weak penetration of the skin and mucous membranes and is not suitable for use as…

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2-(2-chlorophenyl) cyclohexanone is a reactant for the preparation of benzofuran by the intramolecular enoloxy arylation of α-aryl ketones catalyzed by palladium-phosphine.