Cooperation between catalytic sites on a bicipital supported phosphonium phase-transfer catalyst

被引：10

作者：

Clark, JH ^{[1
]}

Tavener, SJ ^{[1
]}

Barlow, SJ ^{[1
]}

机构：

[1] CONTRACT CATALYSTS LTD,PRESCOT L34 9HY,MERSEYSIDE,ENGLAND

来源：

CHEMICAL COMMUNICATIONS | 1996年 / 21期

关键词：

D O I：

10.1039/cc9960002429

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel bicipital tetraarylphosphonium salt grafted to silica gel is prepared and characterised, and gives unusually high catalytic rate enhancements in some nucleophilic substitution reactions, which suggest cooperation between the neighbouring phosphonium centres.

引用

页码：2429 / 2430

页数：2

共 9 条

[1] Clark J.H., 1995, CHEM WASTE MINIMISAT
[2] Clark J.H., 1994, CATALYSIS ORGANIC RE
[3] ENVIRONMENTALLY FRIENDLY CHEMISTRY USING SUPPORTED REAGENT CATALYSTS - STRUCTURE-PROPERTY RELATIONSHIPS FOR CLAYZIC
CLARK, JH
CULLEN, SR
BARLOW, SJ
BASTOCK, TW
[J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1994, (06): : 1117 - 1130
[4] PREPARATION AND UNUSUAL DECOMPOSITION OF SILICA-SUPPORTED TETRAPHENYLPHOSPHONIUM BROMIDE
CLARK, JH
TAVENER, SJ
BARLOW, SJ
[J]. JOURNAL OF MATERIALS CHEMISTRY, 1995, 5 (06) : 827 - 830
[5] REGEN SL, 1976, J AM CHEM SOC, V98, P6270, DOI 10.1021/ja00436a034
[6] SUBBARAO YV, 1992, SYNTHETIC COMMUN, V22, P2711
[7] TAVENER SJ, 1996, THESIS U YORK UK
[8] PHASE-TRANSFER CATALYSTS IMMOBILIZED AND ADSORBED ON ALUMINA AND SILICA-GEL
TUNDO, P
VENTURELLO, P
ANGELETTI, E
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1982, 104 (24) : 6551 - 6555
[9] SILICA-GEL AS A POLYMERIC SUPPORT FOR PHASE-TRANSFER CATALYSTS
TUNDO, P
[J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1977, (18) : 641 - 642

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