Paal Knorr Synthesis
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High Quality Content by WIKIPEDIA articles! The Paal-Knorr synthesis is a chemical reaction where 1,4-diketones are converted to either furans, thiophenes or pyrroles. The reaction is named after Carl Paal and Ludwig Knorr The furan synthesis requires an acid catalyst.In the pyrrole synthesis a primary amine participates:With a hydrazine and a diketone the reaction product is a pyrazole.A diketone is a molecule containing two ketone groups. The simpliest diketone is diacetyl, also known as 2,3-butanedione. Diacetyl, acetylacetone, and hexane-2,5-dione are examples of 1,2-, 1,3-, and…mehr

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High Quality Content by WIKIPEDIA articles! The Paal-Knorr synthesis is a chemical reaction where 1,4-diketones are converted to either furans, thiophenes or pyrroles. The reaction is named after Carl Paal and Ludwig Knorr The furan synthesis requires an acid catalyst.In the pyrrole synthesis a primary amine participates:With a hydrazine and a diketone the reaction product is a pyrazole.A diketone is a molecule containing two ketone groups. The simpliest diketone is diacetyl, also known as 2,3-butanedione. Diacetyl, acetylacetone, and hexane-2,5-dione are examples of 1,2-, 1,3-, and 1,4-diketones, respectively. Dimedone is an example of a cyclic diketone.