A convenient NMR method for the measurement of Lewis acidity at boron centres: Correlation of reaction rates of Lewis acid initiated epoxide polymerizations with Lewis acidity

被引：391

作者：

Beckett, MA ^{[1
]}

Strickland, GC ^{[1
]}

Holland, JR ^{[1
]}

Varma, KS ^{[1
]}

机构：

[1] PILKINGTON TECHNOL,PILKINGTON GRP RES,LATHOM L40 5UF,LANCS,ENGLAND

来源：

POLYMER | 1996年 / 37卷 / 20期

关键词：

boron; Lewis acidity; nmr;

D O I：

10.1016/0032-3861(96)00323-0

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 reaction rates from viscosity measurements of Lewis acid catalysed epoxide (oxirane) polymerizations have been correlated with Gutmann's Acceptor Number (AN) scale derived from measurement of P-31 n.m.r. chemical shifts of Et(3)PO (TPO) dissolved in the boron-containing Lewis acid. Copyright (C) 1996 Elsevier Science Ltd.

引用

页码：4629 / 4631

页数：3

共 14 条

[1] N-OXIDES AND RELATED COMPOUNDS .9. THE ELECTRIC DIPOLE MOMENTS OF PYRIDINE-BORON AND TRIMETHYLAMINE-BORON TRIHYDRIDE AND TRIHALIDE COMPLEXES
BAX, CM
KATRITZKY, AR
SUTTON, LE
[J]. JOURNAL OF THE CHEMICAL SOCIETY, 1958, (MAR): : 1258 - 1263
[2] LINEAR DELTAH-DELTAV-C=O RELATION FOR ETHYL ACETATE ADDUCTS AND ITS SIGNIFICANCE FOR DONOR-ACCEPTOR INTERACTIONS
BROWN, DG
DRAGO, RS
BOLLES, TF
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (21) : 5706 - &
[3] THE HEATS OF REACTION OF PYRIDINE AND NITROBENZENE WITH BORON TRIFLUORIDE, TRICHLORIDE AND TRIBROMIDE - THE RELATIVE ACCEPTOR PROPERTIES OF THE BORON HALIDES
BROWN, HC
HOLMES, RR
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1956, 78 (10) : 2173 - 2176
[4] NEW EPOXY-RESINS .1. THE STABILITY OF EPOXY-TRIALKOXYBOROXINES TRIARYLOXYBOROXINE SYSTEM
CHEN, CS
BULKIN, BJ
PEARCE, EM
[J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1982, 27 (04) : 1177 - 1190
[5] TRIPHENYLPHOSPHINE OXIDE COMPLEXES OF NON-TRANSITION METAL HALIDES
FRAZER, MJ
GERRARD, W
TWAITS, R
[J]. JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1963, 25 (06): : 637 - 640
[6] SOLVENT EFFECTS ON REACTIVITIES OF ORGANOMETALLIC COMPOUNDS
GUTMANN, V
[J]. COORDINATION CHEMISTRY REVIEWS, 1976, 18 (02) : 225 - 255
[7] CO-ORDINATION COMPOUNDS HAVING CARBOXYLIC ESTERS AS LIGANDS .3. THERMOCHEMISTRY OF COMPLEXES OF ETHYL ACETATE WITH GROUP 3 HALIDES
LAPPERT, MF
SMITH, JK
[J]. JOURNAL OF THE CHEMICAL SOCIETY, 1965, (NOV): : 5826 - &
[8] CO-ORDINATION COMPOUNDS HAVING CARBOXYLIC ESTERS AS LIGANDS .1. STOICHEIOMETRY, STRUCTURE, AND STEREOCHEMISTRY
LAPPERT, MF
[J]. JOURNAL OF THE CHEMICAL SOCIETY, 1961, (MAR): : 817 - &
[9] CO-ORDINATION COMPOUNDS HAVING CARBOXYLIC ESTERS AS LIGANDS .2. RELATIVE ACCEPTOR STRENGTHS OF SOME GROUP III AND IV HALIDES
LAPPERT, MF
[J]. JOURNAL OF THE CHEMICAL SOCIETY, 1962, (FEB): : 542 - &
[10] KINETICS OF TRIMETHOXYBOROXINE-INDUCED THERMAL POLYMERIZATION OF PHENYL GLYCIDYL ETHER
LOPATA, ES
RICCITIELLO, SR
[J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1977, 21 (01) : 91 - 104

← 1 2 →