Paal-Knorr-Synthese — Die Paal Knorr Synthese ist ein Verfahren zur Herstellung von fünfgliedrigen Heterocyclen, also substituierten Furanen, Thiophenen und Pyrrolen, ausgehend von 1,4 Diketonen. Diese Edukte werden, je nach erwünschtem Produkt mit Phosphorpentoxid,… … Deutsch Wikipedia
Synthèse de Paal-Knorr — La synthèse de Paal Knorr est, en chimie organique, une méthode d obtention des furanes, des pyrroles et des thiophènes à partir des 1,4 dicétones. Cette synthèse tient son nom des chimistes allemands Carl Paal et Ludwig Knorr qui l ont décrite… … Wikipédia en Français
Knorr — can refer to:*Knorr (brand), a brand of foods and beverages, particularly known for dehydrated broth *Knorr Bremse, manufacturer of braking systems for rail and commercial vehicles *R/V Knorr , the ship used to find the wreck of the Titanic… … Wikipedia
Knorr pyrrole synthesis — The Knorr pyrrole synthesis is a widely used chemical reaction that synthesizes substituted pyrroles (3).Ref|Knorr1884Ref|Knorr1886Ref|Knorr1902 The method involves the reaction of an α amino ketone (1) and a compound containing a methylene group … Wikipedia
Ludwig Knorr — Infobox Scientist name = Ludwig Knorr image width = caption = Ludwig Knorr birth date = birth date|1859|12|2 birth place = Munich, Germany residence = nationality = German death date = death date and age|1921|6|4|1859|12|2 death place = Jena,… … Wikipedia
Hantzsch pyrrole synthesis — The Hantzch pyrrole synthesis is the chemical reaction of β ketoesters (1) with ammonia (or primary amines) and α haloketones (2) to give substituted pyrroles (3). [Hantzsch, A. Ber. 1890, 23 , 1474.] [Feist, F. Ber. 1902, 35 , 1538.]… … Wikipedia
List of organic reactions — Well known reactions and reagents in organic chemistry include Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z See also Ext … Wikipedia
Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia
Pyrrole — Chembox new Name = Pyrrole ImageFile = Pyrrole.png ImageSize = 300px ImageName = Chemical structure of pyrrole IUPACName = Pyrrole Pyrrol Section1 = Chembox Identifiers CASNo = 109 97 7 SMILES = C1=CC=CN1 InChI=1/C4H5N/c1 2 4 5 3 1/h1 5H Section2 … Wikipedia
Furan — This article is about the chemical industrial compound. For the unintentional contaminant byproduct, see Polychlorinated dibenzofurans. For other uses, see Furan (disambiguation). Furan … Wikipedia
