In organic chemistry, the Paal–Knorr synthesis is a reaction used to synthesize substituted furans, pyrroles, or thiophenes from 1,4-diketones. It is a...
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Pyrrole (section Paal–Knorr pyrrole synthesis)
group α to (bonded to the next carbon to) a carbonyl group (2). In the Paal–Knorr pyrrole synthesis, a 1,4-dicarbonyl compound reacts with ammonia or a...
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pyrrole. There are a number of important syntheses of pyrroles that are operated in the manner of the Knorr Synthesis, despite having mechanisms of very...
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side-chain. Several laboratory syntheses of roseophilin (e.g., those of Trost, Fürstner, Salamone) are based upon the Paal-Knorr synthesis, and two others...
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the reaction of 1,4-diketones with phosphorus pentoxide (P2O5) in the Paal–Knorr synthesis. Many routes exist for the synthesis of substituted furans....
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Oxidation of alcohols to carbonyl compounds Ozonolysis Paal–Knorr pyrrole synthesis Paal–Knorr synthesis Paneth technique Passerini reaction Paternò–Büchi...
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dicarboxylates with sulfidizing reagents such as P4S10 such as in the Paal-Knorr thiophene synthesis. Specialized thiophenes can be synthesized similarly...
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features an oxidative coupling of two benzylic carbons, as well as a Paal-Knorr pyrrole synthesis. The Banwell group’s synthesis of lamellarin K includes...
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acetonylacetone. 1,4-Diketones are useful precursors to heterocycles via the Paal–Knorr synthesis, which gives pyrroles: This reactivity is the basis of the neurotoxicity...
12 KB (1,359 words) - 16:11, 15 March 2024