Polymerizable molten salt monomer, electrolyte composition and electrochemical cell
申请人:Fuji Photo Film Co., Ltd.
公开号:US06750352B2
公开(公告)日:2004-06-15
A polymerizable molten salt monomer represented by the following general formula (I):
wherein Q represents a nitrogen-containing aromatic heterocyclic atomic group which can form a cation; Y1 represents a divalent interlocking group or a bonding hand; Y2 represents a substituted or unsubstituted alkyl group; n represents an integer of from 2 to 20; m represents an integer of 2 or more; X− represents an anion; plural Y1's and plural Y2's may be the same or different, respectively, with the proviso that at least one of Y2's has a polymerizable substituent group; and a plurality of the compounds of the general formula (I) may be connected to each other at Q or Y2 to form a dimer, trimer or tetramer. Also disclosed are an electrolyte composition containing a polymer compound obtained by the polymerization of the molten salt monomer, and a cell containing the electrolyte composition.
Synthesis of macrocyclic ketoesters by an n + 1 strategy based on free-radical carbonylation
作者:Kiyoto Nagahara、Ilhyong Ryu、Hiroshi Yamazaki、Nobuaki Kambe、Komatsu Mitsuo、Noboru Sonoda、Akio Baba
DOI:10.1016/s0040-4020(97)01048-x
日期:1997.10
(or tin hydride) was achieved under freeradical reaction conditions. The allyltin mediated reaction of 1 also proceeded successfully to furnish 2-allyl-substituted 4-oxolactones 3 in moderate to good yields. In this n + 1 type macrocyclization, high dilution conditions () are beneficial for both the intermolecular trapping of CO and the intramolecular acyl radical addition to the CC double bond.
Tin hydride reduction of omega-iodo-polyoxaalkyl acrylates 1 using syringe pump addition of both reactants to a solution of AIBN in benzene at 80 degrees C afforded the corresponding cyclic polyethers in excellent yields.