Preparation and nickel-catalyzed coupling reactions of divinylic selenides
作者:Claudio C. Silveira、Paulo Cesar S. Santos、Antonio L. Braga
DOI:10.1016/s0040-4039(02)01773-2
日期:2002.10
The preparation of divinylic selenides by the reaction of selenium bis-phosphonate with aromatic aldehydes is described. The nickel-catalyzed cross coupling of the divinylic selenides with Grignard reagents was also studied. (C) 2002 Elsevier Science Ltd. All rights reserved.
Diferrocenyl Molecular Wires. The Role of Heteroatom Linkers
作者:Yu Li、Mira Josowicz、Laren M. Tolbert
DOI:10.1021/ja101585z
日期:2010.8.4
"wires", in which two ferrocenes are linked by a conjugated chain, allowing the communication of redox information between the ferrocenes, are a versatile platform on which to investigate notions of molecular conductivity. In this paper, we examine the role of heteroatoms--including O, P, S, and Se, as well as C atoms in various oxidation states--separated from the ferrocenes by intervening double