Characterization of ferrocene derivatives bearing podand dipeptide chains (-L-Ala-L-Pro-OR)

被引：89

作者：

Moriuchi, T ^{[1
]}

Nomoto, A ^{[1
]}

Yoshida, K ^{[1
]}

Hirao, T ^{[1
]}

机构：

[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1999年 / 589卷 / 01期

关键词：

crystal packing; dipeptide; ferrocene; helical arrangement; hydrogen bond;

D O I：

10.1016/S0022-328X(99)00301-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ferrocene derivatives bearing podand dipeptide chains (-L-Ala-L-Pro-OR; R = Me, Et, Pr, CH2Ph) were synthesized and characterized by spectroscopy and X-ray crystallography. The ferrocenes exhibited Cotton effects in the CD spectra to indicate an ordered conformation, which is considered to depend on the intramolecular hydrogen bonds between C = O (Ala) and N-H (Ala of another strand). The X-ray structural analysis also revealed that such identical intramolecular hydrogen bonding is present in the solid state to orient the podand dipeptide chains in the same direction. A helical molecular arrangement in the crystal packing was observed in the case of the methyl and ethyl esters to form the ferrocenic and hydrophobic columns. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：50 / 58

页数：9

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