1997
DOI: 10.1002/ange.19971092431
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PHONA‐PNA‐Cooligomere: Nucleinsäure‐Mimetica mit interessanten Eigenschaften

Abstract: des zehnkernigen ,,Eisenrades" ermoglichte, ist bereits diskutiert ~o r d e n . [~] Die Wiederholungseinheit im Achtzehner-Rad besteht aus dieser gebogenen Baueinheit, an die an einem der beiden Enden noch der XDK-Ligand gebunden ist (Abb. 1,2). Die mittlere Abweichung der 18 Eisenzentren von der besten berechneten durch sik verlaufenden Ebene betragt 0.388 A. Um den Beitrag der einzelnen Eisenzentren zur gesamten Biegung des Molekuls zu ermitteln, wurden die Eisenzentren auf diese Ebene projiziert und die Bie… Show more

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Cited by 6 publications
(2 citation statements)
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“…This 1:1 binding mode has further been confirmed by Jobs method of continuous variation. [22] The low-energy shoulder at about 350 nm, which could not be found upon addition of Na + , which is well known to bind to the cavity of benzo [15]crown-5 in a 1:1 complexation mode (Figure 3), is suggestive of an origin resulting from the formation of Au···Au interaction upon sandwich binding of K + (4) O(2)ÀO(6) 2.930(1) C(8)ÀC(9) 1.169 (1) C (17)ÀC (18) ion to the bis-crown unit. The log K s value for the binding of Na + is found to be 4.00 AE 0.01.…”
mentioning
confidence: 97%
“…This 1:1 binding mode has further been confirmed by Jobs method of continuous variation. [22] The low-energy shoulder at about 350 nm, which could not be found upon addition of Na + , which is well known to bind to the cavity of benzo [15]crown-5 in a 1:1 complexation mode (Figure 3), is suggestive of an origin resulting from the formation of Au···Au interaction upon sandwich binding of K + (4) O(2)ÀO(6) 2.930(1) C(8)ÀC(9) 1.169 (1) C (17)ÀC (18) ion to the bis-crown unit. The log K s value for the binding of Na + is found to be 4.00 AE 0.01.…”
mentioning
confidence: 97%
“…It appeared that the flexibility imparted by the replacement of sugar phosphate with the PNA backbone allowed for conformational changes that improved base stacking. Several laboratories have now prepared PNA analogues [27,75,76], and among these the oxy-PNA (OPNA) is noteworthy ( Figure 5-8) [77]. Several laboratories have now prepared PNA analogues [27,75,76], and among these the oxy-PNA (OPNA) is noteworthy ( Figure 5-8) [77].…”
Section: Neutral Acyclic Backbonesmentioning
confidence: 99%