- hantzsch synthesis
- 汉栖合成
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
hantzsch synthesis
Look at other dictionaries:
Hantzsch pyridine synthesis — The Hantzsch pyridine synthesis or Hantzsch dihydropyridine synthesis is a multi component organic reaction between an aldehyde such as formaldehyde, 2 equivalents of a β keto ester such as ethyl acetoacetate and a nitrogen donor such as ammonium … 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
Hantzsch, Arthur Rudolf — ▪ German chemist born March 7, 1857, Dresden, Saxony [Germany] died March 14, 1935, Dresden German chemist who won fame at the age of 25 for devising the synthesis of substituted pyridines. Hantzsch was a professor at Zürich (1885),… … Universalium
Arthur Rudolf Hantzsch — Infobox Scientist name = Arthur Rudolf Hantzsch image width = caption = birth date = 7 March, 1857 birth place = Dresden, Germany residence = Germany, Switzerland nationality = German death date = death date and age|1935|3|14|1857|3|7 death place … Wikipedia
Chichibabin pyridine synthesis — Not to be confused with Chichibabin reaction. The Chichibabin pyridine synthesis (pronounced (chē ) chē bā bēn) is a method for synthesizing pyridine rings. In its general form, the reaction can can be described as a condensation reaction of… … 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
Síntesis de pirroles de Hantzsch — La Síntesis de pirroles de Hantzsch es un método de síntesis orgánica que consiste en la preparación de pirroles sustituidos (3) a partir de β cetoésteres (1) con α halocetonas (2) en presencia de amoniaco (o aminas primarias). La describió por… … Wikipedia Español
Pyridine — Pyridine … 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
Heterocyclische Verbindung — Struktur von Thiophen Heterocyclen sind cyclische chemische Verbindungen mit ringbildenden Atomen aus mindestens zwei verschiedenen chemischen Elementen. Der Name setzt sich zusammen aus griechisch hetero = anders, fremd und lateinisch cyclus =… … Deutsch Wikipedia
Heterocyclische Verbindungen — Struktur von Thiophen Heterocyclen sind cyclische chemische Verbindungen mit ringbildenden Atomen aus mindestens zwei verschiedenen chemischen Elementen. Der Name setzt sich zusammen aus griechisch hetero = anders, fremd und lateinisch cyclus =… … Deutsch Wikipedia
