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Colored (red / violet / blue) pigments, red / blue flowers, blueberries, ... Photochemotherapy against psoriasis -[2 2] cycloadd. with cytosin / thymin in DNA ...
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... as a base and the pyridinium cation. pKa: 5.2. The pyrylium cation. Tautomerism. 2- and 4-pyrones. Pyridones / Hydroxypyridines. 5-Membered ring heteroaromatics ...
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Benzofuran (coumarone) General properties Benzo furan (1) some times called coumarone , is a colourless liquid b.p.137c which may be isoleted from coal tar .Its ...
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Thianaphthene (1) also known as benzothiophene was first obtained by difficult ... is easily reduced by hydrogen over Palladium or sodium and alcohol the 2,3 ...
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