16737-71-6Relevant articles and documents
A photopolymerization initiator, and ink composition using the same
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Paragraph 0160; 0161, (2017/02/24)
PROBLEM TO BE SOLVED: To provide a compound useful as a water soluble photopolymerization initiator, and an ink composition containing the same.SOLUTION: A compound is represented by general formula (1) [in general formula (1), each of Rto Rindependently represents a hydrogen atom or a substituent, however, at least one of Rto Ris a group represented by R-X-* (wherein Xrepresents an oxygen atom or a sulfur atom, Rrepresents a substituent, and * represents a site connecting with a benzene ring), also Rrepresents a substituent other than an aryl group and a heterocyclic group, and two or more Rs may be identical to or different from one another].
Zirconium complexes with pendant aryloxy groups attached to the metallocene moiety by ethyl or hexyl spacers
Cho, Won Seok,Kim, So Han,Kim, Da Jung,Mun, Sang-Deok,Kim, Ran,Go, Min Jeong,Park, Myung Hwan,Kim, Min,Lee, Junseong,Kim, Youngjo
, p. 205 - 212 (2013/10/22)
Four zirconium complexes with pendant aryloxy groups attached to the metallocene moiety by ethyl or hexyl spacers have been synthesized and characterized by spectroscopic methods and HR-MS or elemental analysis. The solid state structure of bis[{6-(2,6-dimethylphenoxy)hexyl}cyclopentadienyl] zirconium dichloride was determined by single crystal X-ray diffraction. The prepared complexes were tested as catalyst precursors in the polymerization of ethylene upon activation with MAO. The results showed a marked effect of the spacer length on the catalytic activity, while only a minor effect of the substitution on the aryl group, which affected its steric properties.
β-Hydroxyalkylation of sterically hindered phenols with epoxides in acid medium
Krysin,Amitina,Egorova,Vasiliev
experimental part, p. 354 - 360 (2011/06/27)
Reactions of 2,6-dialkylphenols with ethylene oxide, propylene oxide and epichlorohydrin in the presence of SnCl4 at the temperature from -5 to +5°C leads to the formation of respective phenols containing a hydroxy group in the β-position of the aliphatic chain of the para-substituent. The conditions for maximum selectivity of the reaction of 2,6-di-tert-butylphenol with ethylene oxide were determined. By HPLC-MS method the directions of the side reactions were explored. The method has been successfully tested in a pilot installation. With 2,6-dimethylphenol instead of 2,6-di-tert-butylphenol a sharp increase occurs in the content of ethers in the reaction product. With epichlorohydrin, 2,6-di-tert-butylphenol affords a product, which is easily converted into an epoxide containing a sterically hindered phenol in its structure.