The Paal–Knorr synthesis is a reaction used to synthesize substituted furans, pyrroles, or thiophenes from 1,4-diketones. It is a synthetically valuable...

The Knorr pyrrole synthesis is a widely used chemical reaction that synthesizes substituted pyrroles (3). The method involves the reaction of an α-amino-ketone...

methods for synthesizing pyrroles exist, such as the Knorr Pyrrole Synthesis and Paal-Knorr Synthesis. Below is one published mechanism for the reaction:...

give a glycoside Knorr pyrrole synthesis, a widely used chemical reaction that synthesizes substituted pyrroles Paal–Knorr synthesis, a reaction that...

Ludwig Knorr (2 December 1859 – 4 June 1921) was a German chemist. Together with Carl Paal, he discovered the Paal–Knorr synthesis, and the Knorr quinoline...

starting materials for several organic transformations, including the Paal–Knorr synthesis of furans and pyrroles. Traditionally utilized catalysts for the...

4-diketones with phosphorus pentoxide (P2O5) in the Paal–Knorr synthesis. Many routes exist for the synthesis of substituted furans. Furan in nature and commerce...

(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 primary amine...

synthesis Fischer indole synthesis Gewald reaction Hantzsch pyridine synthesis Larock indole synthesis Paal–Knorr synthesis Pictet–Spengler reaction Pomeranz–Fritsch...

roseophilin (e.g., those of Trost, Fürstner, Salamone) are based upon the Paal-Knorr synthesis, and two others are based on the Nazarov cyclization reaction (those...

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...

unstable isoindole was performed 1985. It was based on the classical Paal-Knorr synthesis under conditions which probably harmed the electron-rich pyrrole...

glucose starvation. One synthetic method is based on Skraup synthesis and Paal-Knorr synthesis. More recently, an alternative convergent, synthetic strategy...

Oxo synthesis Oxy-Cope rearrangement Oxymercuration Oxidation of alcohols to carbonyl compounds Ozonolysis Paal–Knorr pyrrole synthesis Paal–Knorr synthesis...

1883: Claus process by Carl Friedrich Claus 1884: Paal–Knorr synthesis by Carl Paal and Ludwig Knorr 1885–1886: Discovery of germanium by Clemens Winkler...

Ludwig Knorr: Chemist, who together with Carl Paal, discovered the Paal-Knorr synthesis, and the Knorr quinoline synthesis and Knorr pyrrole synthesis. Robert...

Overhauser Ovshinsky effect – Stanford R. Ovshinsky Paal–Knorr synthesis – Carl Paal and Ludwig Knorr Pareto chart, distribution, efficiency, index, principle...

Steglich synthesis features an oxidative coupling of two benzylic carbons, as well as a Paal-Knorr pyrrole synthesis. The Banwell group’s synthesis of lamellarin...

dicarboxylates with sulfidizing reagents such as P4S10 such as in the Paal-Knorr thiophene synthesis. Specialized thiophenes can be synthesized similarly using Lawesson's...

Friedrich Loeffler in 1884. Paal-Knorr Synthesis was initially reported independently by German chemists Carl Paal and Ludwig Knorr as a method for the preparation...