156326-34-0

Upstream product

• 75-21-8 oxirane 
• 88938-12-9 9,9-bis(4-hydroxy-3-methylphenyl)fluorene 
• 96-49-1 [1,3]-dioxolan-2-one 
• 486-25-9 9-fluorenone 
• 6161-86-0 2-methylphenoxyethanol 

Relevant academic research and scientific papers

A fluorene skeleton fragrant ether class compound preparation method (by machine translation)

A fluorene skeleton fragrant ether class compound preparation method, the difference lies in that, in order to replace the 9 - fluorenylmethylchloroformate ketone derivatives and substituted aryl ethers or substituted aryloxy alcohol compound as a raw material, in the load SO4 2 - Composite solid super strong acid catalyst catalytic reaction under the fragrant ether class containing fluorene skeleton of the compound in the crude product, obtained after purifying the product containing fluorene skeleton fragrant ether class compounds. This invention has used the composite solid super strong acid catalyst, to replace the existing process for use in the catalyst, its advantages that not only the catalyst and reaction recovery solution can be repeatedly used, the production cost is reduced, thereby improving the production efficiency, and reducing the pollution of the environment; and the reaction yield is high, the operation is simple, the product is easy to purify, is more suitable for sustainable industrial production development. (by machine translation)

METHOD FOR PRODUCING BIS HYDROXYETHYL ETHER OF BISPHENOLS

PROBLEM TO BE SOLVED: To provide a method for producing high-purity bis hydroxyethyl ether of bisphenols from bisphenols and ethylene carbonate, which produces bis(hydroxyethyl) ether of bisphenols having sufficient purity for use as a polymer raw material industrially suitably and economically advantageously without performing complicated reaction operations or purification operations. SOLUTION: There is provided a method for producing high-purity bis hydroxyethyl ether of bisphenols which comprises a step of reacting bisphenols and ethylene carbonate and then adding a phase transfer catalyst and a strong basic substance to the resulting reaction product and subsequently stirring at a temperature of 60 to 120°C. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT

Aromatic ethers and process for producing aromatic ethers

According to a production process, aromatic ethers are producible by reacting phenols with an oxirane compound with use of an anion exchange resin as a catalyst. According to another production process, aromatic ethers having an alcoholic hydroxyl group are producible by a crystallization-purification step of using a solvent having a solubility parameter ranging from 7.5 to 12.5 for purification by crystallization. Further, according to still another production process, producible are aromatic ethers having an alcoholic hydroxyl group, wherein the content of a metal in the aromatic ethers is less than 100 ppm by mass, and the content of a halogen element in the aromatic ethers is less than 100 ppm by mass.