CARBONATION OF POLYMERIC ORGANOLITHIUM COMPOUNDS - EFFECTS OF CHAIN END STRUCTURE

被引：30

作者：

QUIRK, RP ^{[1
]}

YIN, J ^{[1
]}

机构：

[1] UNIV AKRON,INST POLYMER SCI,AKRON,OH 44325

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1992年 / 30卷 / 11期

关键词：

CARBONATION; FUNCTIONALIZATION; POLYSTYRENE; POLYISOPRENE; POLYBUTADIENE; POLY(STYRYL)LITHIUM; POLY(BUTADIENYL)LITHIUM; ANIONIC POLYMERIZATION;

D O I：

10.1002/pola.1992.080301108

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The carbonation of the adduct of poly (styryl) lithium with 1,1-diphenylethylene with gaseous carbon dioxide in benzene proceeds in high yield (> 99%) compared to the inefficient functionalizations for poly(styryl)lithium (66%), poly(isoprenyl)lithium (59%), and polybutadienyl) lithium (27%). The quantitative carboxylation of poly(isoprenyl)lithium and poly(butadienyl)lithium requires the presence of larger amounts of Lewis bases such as THF ([THF]/[Li] = 300) or TMEDA ([TMEDA]/[Li] = 46) compared to poly (styryl)lithium in which a ratio of [TMEDA]/[Li] = 12 is effective.

引用

页码：2349 / 2355

页数：7

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