Pd/CaCO3 in liquid poly(ethylene glycol) (PEG):: an easy and efficient recycle system for partial reduction of alkynes to cis-olefins under a hydrogen atmosphere

被引：70

作者：

Chandrasekhar, S ^{[1
]}

Narsihmulu, C ^{[1
]}

Chandrashekar, G ^{[1
]}

Shyamsunder, T ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Hyderabad 500007, Andhra Pradesh, India

来源：

TETRAHEDRON LETTERS | 2004年 / 45卷 / 11期

关键词：

hydrogenation; Lindlar's catalyst; PEG; recycling;

D O I：

10.1016/j.tetlet.2004.01.097

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Lindlar's catalyst (Pd/CaCO3) in PEG (400) has been found to be the most reusable reaction medium for selective reduction of alkynes to cis-olefins. The catalyst and PEG were recycled five times without loss of activity. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：2421 / 2423

页数：3

共 34 条

[1] Soluble polymer-supported convergent parallel library synthesis [J].

Ahn, JM ;

Wentworth, P ;

Janda, KD .

CHEMICAL COMMUNICATIONS, 2003, (04) :480-481

[2]

[Anonymous], ORGANIC SYNTHESIS WA

[3] ENZYMATIC PEPTIDE SYNTHESES IN ORGANIC-SOLVENT MEDIATED BY MODIFIED ALPHA-CHYMOTRYPSIN [J].

BABONNEAU, MT ;

JACQUIER, R ;

LAZARO, R ;

VIALLEFONT, P .

TETRAHEDRON LETTERS, 1989, 30 (21) :2787-2790

[4]

BADONE D, 1987, SYNTHESIS-STUTTGART, P920

[5] Supercritical fluids in heterogeneous catalysis [J].

Baiker, A .

CHEMICAL REVIEWS, 1999, 99 (02) :453-473

[6] Developments in CO2 research [J].

Behles, JA ;

DeSimone, JM .

PURE AND APPLIED CHEMISTRY, 2001, 73 (08) :1281-1285

[7] HYDROPHOBIC EFFECTS ON SIMPLE ORGANIC-REACTIONS IN WATER [J].

BRESLOW, R .

ACCOUNTS OF CHEMICAL RESEARCH, 1991, 24 (06) :159-164

[8] Poly(ethylene glycol) (PEG) as a reusable solvent medium for organic synthesis. Application in the Heck reaction [J].

Chandrasekhar, S ;

Narsihmulu, C ;

Sultana, SS ;

Reddy, NR .

ORGANIC LETTERS, 2002, 4 (25) :4399-4401

[9] Osmium tetroxide in poly(ethylene glycol) (PEG): a recyclable reaction medium for rapid asymmetric dihydroxylation under Sharpless conditions [J].

Chandrasekhar, S ;

Narsihmulu, C ;

Sultana, SS ;

Reddy, NR .

CHEMICAL COMMUNICATIONS, 2003, (14) :1716-1717

[10] New directions in inorganic and metal-organic coordination chemistry in supercritical fluids [J].

Darr, JA ;

Poliakoff, M .

CHEMICAL REVIEWS, 1999, 99 (02) :495-541

← 1 2 3 4 →