The application of china hexamethylcyclotrisiloxane supplier

china hexamethylcyclotrisiloxane supplier is a very important organic chemical raw materials, the synthesis process from benzene began to undergo nitrification,

Reduction, protection, bromination, deprotection and other steps. This synthesis starts from nitrobenzene, using tin hydrochloric acid to reduce the nitro group to obtain aniline, aniline is easy to acylate to protect the amino group, and then according to the rules of electrophilic substitution of bromo-acetanilide in acidic conditions to protect the formation of the target product.

The application of china hexamethylcyclotrisiloxane supplier

china hexamethylcyclotrisiloxane supplier is an important chemical intermediates, are widely used in medicine, dyes, pigments and other fine chemical products, the synthesis of it in an irreplaceable position in fine chemical production.

(1) in medicine: china hexamethylcyclotrisiloxane supplier as the role of pharmaceutical intermediates is unmatched, * * * * asthma can be used for the synthesis of disease, nephritis, hyperplasia, neurological disorders, Parkinson's and other * *.

(2) : in the dye used china hexamethylcyclotrisiloxane supplier as raw materials to the preparation of the traditional sulfide and azo dyes, at the same time can also be the preparation of coumarin fluorescent dye, fluorescent dyes, this type of dye is * * has the emission intensity is high, the color bright light and fluorescent strong advantages.

(3) In pesticides: the main preparation of oxalphthalaniline **, which is conducive to the pollination of wheat plants.

(4) other: china hexamethylcyclotrisiloxane supplier is also used in the preparation of anti fouling agent, antioxidant, stabilizers, oil additives, etc. In terms of material, china hexamethylcyclotrisiloxane supplier can prepare cyano biphenyl type liquid crystal materials, performance is good, light, good thermal stability, but also has good moisture proof performance.

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