Use of a layer consisting of hydrophobic linear, or two-dimensional polycyclic aromatics as a barrier layer or an encapsulation and electric components constructed with a layer of this type and comprising organic polymers
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United States of America Patent
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Issued Date -
Jul 19, 2007
app pub date -
Aug 4, 2004
filing date -
Aug 5, 2003
priority date (Note) -
Abandoned
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Abstract
The invention relates to cyclic bioisosteres of derivatives of a purine system having a general structural formula R.sup.1=--H, --NH.sub.2, --Br, --Cl, --OH, --COOH, B=--N.dbd., --CH.dbd., Z=--CH.dbd., --N.dbd., A=--N.dbd. at B=--N.dbd., Z=--CH--, A=--CH.dbd. at B=--N.dbd., Z=--CH--, A=--CH.dbd. at B=--N.dbd., Z=--N.dbd., A=--CH.dbd. at B=--CH.dbd., Z=--CH.dbd., A=--CH.dbd. at B=--CH.dbd., Z=--N.dbd., and their pharmacologically acceptable salts having a normalizing effect on endocellular processes, in particular, it is capable eliminating endocellular metabolic acidosis and capable of binding excessively formed free radicals, in particular, free-radical forms of oxygen, capable of normalizing the nitrergic mechanisms of the cells, and also capable of interreacting with adenosine-sensitive receptors on the membrane of non-nuclear cells and in nuclei-containing cells to decrease the aggregation of thrombocytes. The compounds according to the invention have hepatoprotective effect and can be used for producing pharmaceutical compositions on their base.
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