Synthesis of<i>p</i>-Alkylcalixarenes by Friedel-Crafts Alkylation
作者:Yan-Song Zheng、Zhi-Tang Huang
DOI:10.1080/00397919708003361
日期:1997.4
Abstract Calix[n]arenes 1 - 3 (n = 4, 6 and 8) were alkylated with alkyl chlorides in the presence of anhydrous aluminium chloride in chloroform by Friedel-Craftsreaction to give p-alkylcalix[n]arenes 5 - 7 (n = 4, 6 and 8) in good to excellent yields.
Polymerization catalyst, copolymer, polymer composition, and crosslinked polymer
申请人:JSR CORPORATION
公开号:US10906996B2
公开(公告)日:2021-02-02
Provided is a polymerization catalyst including a metal complex obtained by mixing at least one ketimine derivative selected from the group consisting of a β-ketimine compound and a tautomer thereof with a compound having at least one metal selected from among Group 4 and 5 transitional metals, an organoaluminum compound, and a halogen compound.