Nicotinamide Coenzyme Models, II. Bis(methoxycarbonyl)-N,N′-dimethyl[2.2](2,5)pyridiniophane Diiodides: Preparation, Structure, and Reduction to Semi-Reduced Systems

From the pyridinophanes 1–4(1) which consist of two nicotinic ester units in the four different orientations possible, by diquaternization the corresponding pyridiniophane diiodides 7–10 were obtained. UV and 1H NMR spectra of these [2.2]paracyclophanes with two positive ring charges are discussed;...

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Veröffentlicht in:	Liebigs Annalen der Chemie 1986-04, Vol.1986 (4), p.765-776
Hauptverfasser:	Hasselbach, Hans-Joachim, Krieger, Claus, Decker, Matthias, Staab, Heinz A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Biotechnology Chemical synthesis for preparing modified enzymes, enzyme fragments and enzyme analogs Chemistry Condensed matter: structure, mechanical and thermal properties Enzyme engineering Exact sciences and technology Fundamental and applied biological sciences. Psychology Heterocyclic compounds Heterocyclic compounds with several n hetero atoms in the same ring, in separated rings or in fused rings Methods. Procedures. Technologies Organic chemistry Organic compounds Physics Preparations and properties Production of selected enzymes Structure of solids and liquids crystallography Structure of specific crystalline solids
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