Reagent-free Nazarov cyclisations

被引：21

作者：

Douelle, F ^{[1
]}

Tal, L ^{[1
]}

Greaney, MF ^{[1
]}

机构：

[1] Univ Edinburgh, Sch Chem, Edinburgh EH9 3JJ, Midlothian, Scotland

来源：

CHEMICAL COMMUNICATIONS | 2005年 / 05期

关键词：

D O I：

10.1039/b415463k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new protocol for Nazarov cyclisation is described that involves simple heating of dienones in the absence of any external Lewis acid.

引用

页码：660 / 662

页数：3

共 21 条

[1] Catalytic asymmetric nazarov reactions promoted by chiral Lewis acid complexes [J].

Aggarwal, VK ;

Beffield, AJ .

ORGANIC LETTERS, 2003, 5 (26) :5075-5078

[2] The palladium(II)-catalyzed Nazarov reaction [J].

Bee, C ;

Leclerc, E ;

Tius, MA .

ORGANIC LETTERS, 2003, 5 (26) :4927-4930

[3] Efficient construction of benzohydrindenones from aryltrienones via domino Nazarov electrocyclization -: electrophilic aromatic substitution [J].

Browder, CC ;

Marmsäter, FP ;

West, FG .

CANADIAN JOURNAL OF CHEMISTRY, 2004, 82 (02) :375-385

[4] Isomerization-cyclization approach to the synthesis of 2-hydroxy-5-alkylidene-cyclopent-2-enones [J].

Forest, J ;

Bee, C ;

Cordaro, F ;

Tius, MA .

ORGANIC LETTERS, 2003, 5 (22) :4069-4072

[5] Ionic hydrogenation of oxyallyl intermediates: the reductive Nazarov cyclization [J].

Giese, S ;

West, FG .

TETRAHEDRON, 2000, 56 (52) :10221-10228

[6]

Habermas K.L., 1994, ORG REACTIONS, V45, P1

[7] The retro-Nazarov reaction [J].

Harmata, M ;

Lee, DR .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (48) :14328-14329

[8] Polarizing the Nazarov cyclization: Efficient catalysis under mild conditions [J].

He, W ;

Sun, XF ;

Frontier, AJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (47) :14278-14279

[9] Ionic liquids and their heating behaviour during microwave irradiation -: a state of the art report and challenge to assessment [J].

Hoffmann, J ;

Nüchter, M ;

Ondruschka, B ;

Wasserscheid, P .

GREEN CHEMISTRY, 2003, 5 (03) :296-299

[10] Moisture stable dialkylimidazolium salts as heterogeneous and homogeneous Lewis acids in the Diels-Alder reaction [J].

Howarth, J ;

Hanlon, K ;

Fayne, D ;

McCormac, P .

TETRAHEDRON LETTERS, 1997, 38 (17) :3097-3100

← 1 2 3 →