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Tianjin Radchem Technology Co., Ltd. (www.radchemtech.com) was founded in 2018 by a team with more than ten years of R&D, production and marketing experience in the industries of photoinitiators, coatings & plastic functional materials and drug synthesis. It integrates research, production and marketing, and committed to developing characteristic products and applications. At present, the company has a school-enterprise cooperative laboratory, two pilot laboratories, and two production cooperation factories, mainly responsible for the scale-up and commercial production of technical projects, and the annual capacity of special photoinitiators, characteristic functional materials and pharmaceutical intermediates up to 1,000 tons. The company's main business is special photoinitiators, pharmaceutical intermediates, coatings & plastic functional materials. Among them: Special photoinitiators: We mainly engaged in cationic photoinitiators, water-based UV photoinitiators, LED photoinitiators, visible light photoinitiators, macromolecular photoinitiators and low-odor photoinitiators for food packages and inks, etc. Pharmaceutical intermediates: The main products are the breast cancer treatment drug Fulvestrant intermediates, the antihypertensive drug olmesartan ester intermediates, and triostane, Pergolide and Pimomendan and other drug intermediates. Among them, Fulvestrant intermediates pentafluoropentyl alcohol and pentafluoropentyl mercaptan, our company is currently the largest manufacturer in China, with advanced technology and excellent quality, supplying many well-known pharmaceutical companies domestic and abroad. Featured functional materials: We mainly engaged in fluorosilane anti-fingerprint agents, fluorosilane leveling agents and dispersants, anti-graffiti resin and additives, perfluoroalkyl mercaptan and so on. Based on the excellent properties of fluoro-silicon materials, these products have broad prospects.
The present disclosure relates to compou...
A process for preparing compounds of for...
The development of a commercial manufact...
The invention relates to 11 β-substitute...
9-bromo-1-nonene
4,4,5,5,5-pentafluoropentane-1-thiol
1-bromo-9-(4,4,5,5,5-pentafluoropentylsulfanyl)nonane
Conditions | Yield |
---|---|
With 2,2-dimethoxy-2-phenylacetophenone; In chloroform; at 20 ℃; for 3h; Inert atmosphere; UV-irradiation;
|
1,9-Dibromononane
4,4,5,5,5-pentafluoropentane-1-thiol
1-bromo-9-(4,4,5,5,5-pentafluoropentylsulfanyl)nonane
Conditions | Yield |
---|---|
With potassium carbonate; In N,N-dimethyl-formamide; at 50 ℃; for 3h;
|
9-bromononan-1-ol
4,4,5,5,5-pentafluoropentane-1-thiol
1-methanesulfonyloxy-4,4,5,5,5-pentafluoropentane
2-(9-hydroxynonyl)-2-thiopseudourea hydrobromide
9-(4,4,5,5,5-pentafluoropentylsulfanyl)nonyl alcohol
3-oxo-7α-[9-(4,4,5,5,5-pentafluoropentylsulfanyl)nonyl]estra-4-en-17βyl acetate
3-oxo-7β-[9-(4,4,5,5,5-pentafluoropentylsulfanyl)nonyl]estra-4-en-17βyl acetate
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