Dendronized cyclocopolymers with a radial gradient of polarity and their use to catalyze a difficult esterification

被引：100

作者：

Liang, CO

Helms, B

Hawker, CJ

Fréchet, JMJ

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[2] IBM Corp, Almaden Res Ctr, San Jose, CA 95120 USA

来源：

CHEMICAL COMMUNICATIONS | 2003年 / 20期

关键词：

D O I：

10.1039/b307425k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A cyclocopolymer containing pyrrolidinopyridine pendant groups was dendronized with polyester dendrons terminated with long alkyl chain ends and the microenvironment created by the dendrons was used to catalyze the difficult esterification of a tertiary alcohol with pivalic anhydride.

引用

收藏

页码：2524 / 2525

页数：2

相关论文

共 25 条

[1] Dendritic catalysts and dendrimers in catalysis [J].

Astruc, D ;

Chardac, F .

CHEMICAL REVIEWS, 2001, 101 (09) :2991-3023

[2] Dendrimer-metalloporphyrins: Synthesis and catalysis [J].

Bhyrappa, P ;

Young, JK ;

Moore, JS ;

Suslick, KS .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1996, 118 (24) :5708-5711

[3] Dendrimer-encapsulated metal nanoparticles: Synthesis, characterization, and applications to catalysis [J].

Crooks, RM ;

Zhao, MQ ;

Sun, L ;

Chechik, V ;

Yeung, LK .

ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (03) :181-190

[4] TOWARDS THE OPTIMIZATION OF POLYMER-SUPPORTED CATALYSTS - RELATIONSHIP BETWEEN LOCAL REACTION MEDIUM AND CATALYST EFFICIENCY [J].

DERATANI, A ;

MARALDO, T ;

DARLING, GD ;

FRECHET, JMJ .

REACTIVE POLYMERS, 1988, 9 (01) :19-28

[5] SYNTHESIS OF NEW DIALKYLAMINOPYRIDINE ACYLATION CATALYSTS AND THEIR ATTACHMENT TO INSOLUBLE POLYMER SUPPORTS [J].

DERATANI, A ;

DARLING, GD ;

FRECHET, JMJ .

POLYMER, 1987, 28 (05) :825-830

[6] HETEROCYCLIC POLYMERS AS CATALYSTS IN ORGANIC-SYNTHESIS - EFFECT OF MACROMOLECULAR DESIGN AND MICROENVIRONMENT ON THE CATALYTIC ACTIVITY OF POLYMER-SUPPORTED (DIALKYLAMINO)PYRIDINE CATALYSTS [J].

DERATANI, A ;

DARLING, GD ;

HORAK, D ;

FRECHET, JMJ .

MACROMOLECULES, 1987, 20 (04) :767-772

[7] Designing macromolecules for therapeutic applications:: Polyester dendrimer-poly(ethylene oxide) "bow-tie" hybrids with tunable molecular weight and architecture [J].

Gillies, ER ;

Fréchet, JMJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (47) :14137-14146

[8] Divergent synthesis of dendronized poly(p-hydroxystyrene) [J].

Grayson, SM ;

Fréchet, JMJ .

MACROMOLECULES, 2001, 34 (19) :6542-6544

[9] Light-driven catalysis within dendrimers:: Designing amphiphilic singlet oxygen sensitizers [J].

Hecht, S ;

Fréchet, JMJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (28) :6959-6960

[10] HOMOGENEOUS CATALYSTS BASED ON SILANE DENDRIMERS FUNCTIONALIZED WITH ARYLNICKEL(II) COMPLEXES [J].

KNAPEN, JWJ ;

VANDERMADE, AW ;

DEWILDE, JC ;

VANLEEUWEN, PWNM ;

WIJKENS, P ;

GROVE, DM ;

VANKOTEN, G .

NATURE, 1994, 372 (6507) :659-663