Ferrocenyl and pyridyl methylenepyrans as potential precursors of organometallic electron-rich extended bipyrans: Synthesis, characterization and crystal structure

被引：17

作者：

Ba, Fatou ^{[1
]}

Guen, Francoise Robin-Le ^{[1
]}

Cabon, Nolwenn ^{[1
]}

Le Poul, Pascal ^{[1
]}

Golhen, Stephane ^{[2
]}

Le Poul, Nicolas ^{[3
]}

Caro, Bertrand ^{[1
]}

机构：

[1] IUT Lannion, CNRS, Sci Chim UMR 6226, Lannion, France

[2] Univ Rennes 1, CNRS, Sci Chim UMR 6226, CS 74205, F-35042 Rennes, France

[3] Univ Bretagne Occidentale, UMR CNRS 6521, Lab Chim Electrochim Mol & Chim Analyt, CS 93837, F-29238 Brest 3, France

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2010年 / 695卷 / 02期

关键词：

Ferrocenyl methylenepyrans; Pyridyl methylenepyrans; Formylation; Electron-rich molecules; NONLINEAR-OPTICAL-PROPERTIES; FISCHER CARBENE COMPLEXES; CHARGE-TRANSFER COMPLEXES; PYRYLIUM-SALTS; HETEROQUINONOID SYSTEM; PI-DONOR; CATALYZED DIMERIZATION; CONDUCTIVE COMPLEXES; MOLECULAR-STRUCTURE; ACCEPTORS BEARING;

D O I：

10.1016/j.jorganchem.2009.10.006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ferrocenyl and pyridyl methylenepyrans were obtained from a Wittig reaction between a pyran phosphorane and ferrocenyl or pyridyl-aldehydes. The nucleophilic nature of the exocyclic C-C bond allowed the formylation of these compounds by a Vilsmeier type reaction. All the new products were characterized by IR spectroscopy, H-1 and C-13 NMR spectroscopy, mass spectroscopy and (or) elemental analysis. Electrochemistry of representative compounds 2, 10 and 13 was undertaken. In addition, a crystal structure of the ferrocenylpyranylidene aldehyde 5 was described, and the pyrylium character of this compound was specified. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：235 / 243

页数：9

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