The Koch reaction is an organic reaction for the synthesis of tertiary carboxylic acids from alcohols or alkenes and carbon monoxide. Some commonly industrially...
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Gattermann–Koch reaction, named after the German chemists Ludwig Gattermann and Julius Arnold Koch, is a variant of the Gattermann reaction in which carbon...
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various methods such as the Gattermann reaction, Gattermann–Koch reaction, Vilsmeier–Haack reaction, or Duff reaction; however, in terms of ease and safety...
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The Gattermann–Koch reaction can be used to synthesize benzaldehyde from benzene. The Gatterman reaction describes arene reactions with hydrocyanic...
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Carboxylic acid (section Less-common reactions)
and tertiary carbocations, e.g. isobutylene to pivalic acid. In the Koch reaction, the addition of water and carbon monoxide to alkenes or alkynes is...
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Formylation (redirect from Formylation reaction)
conversion of benzene to benzaldehyde in the Gattermann–Koch reaction). In biochemistry the reaction is catalysed by enzymes such as formyltransferases. Formylation...
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1897, he discovered, together with Ludwig Gattermann, the Gattermann-Koch reaction—a method of synthesis of benzaldehyde using carbon monoxide. He agreed...
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chloride, and hydrogen chloride in the Gatterman-Koch reaction to form benzaldehydes. In the Sandmeyer reaction, the treatment of an arenediazonium salt with...
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Formic acid (section Chemical reactions)
including sulfuric and hydrofluoric acids, however, a variant of the Koch reaction occurs instead, and formic acid adds to the alkene to produce a larger...
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Gattermann aldehyde synthesis Gattermann Koch reaction Gattermann reaction Geminal halide hydrolysis Gewald reaction Gibbs phthalic anhydride process Gilman...
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Thermite (redirect from Goldschmidt reaction)
When ignited by heat or chemical reaction, thermite undergoes an exothermic reduction-oxidation (redox) reaction. Most varieties are not explosive,...
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She met David Koch on a blind date in January 1991, although they did not continue dating at the time. She later described her reaction: "I'm glad I met...
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Alkylbenzene (section Reactions)
H2SO4. Gattermann-Koch reaction: named after German chemists Ludwig Gattermann and Julius Arnold Koch, the Gattermann-Koch reaction is a catalyzed formylation...
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the carboxylic acid, a net process known as the Koch–Haaf reaction. In the Gattermann–Koch reaction, arenes are converted to benzaldehyde derivatives...
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Carbonylation (redirect from Koch acid)
Pd-diphosphines catalyze formation of polyketones. The Koch reaction is a special case of hydrocarboxylation reaction that does not rely on metal catalysts. Instead...
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Benzaldehyde (section Reactions)
Gatterman-Koch reaction). A significant quantity of natural benzaldehyde is produced from cinnamaldehyde obtained from cassia oil by the retro-aldol reaction:...
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Terephthalic acid (redirect from Henkel reaction)
Terephthalic acid can also be made from toluene by the Gattermann-Koch reaction, which gives 4-methylbenzaldehyde. Oxidation of the latter gives terephthalic...
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Heinrich Hermann Robert Koch (/kɒx/ KOKH; German: [ˈʁoːbɛʁt ˈkɔx] ; 11 December 1843 – 27 May 1910) was a German physician and microbiologist. As the discoverer...
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Electrophilic aromatic substitution (redirect from Tscherniac–Einhorn reaction)
reactions including the Vilsmeier–Haack reaction, the Gattermann Koch reaction and the Reimer–Tiemann reaction. Other electrophiles are aromatic diazonium...
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Aluminium chloride (section Reactions)
aldehyde groups onto aromatic rings, for example via the Gattermann-Koch reaction which uses carbon monoxide, hydrogen chloride and a copper(I) chloride...
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The Heckler & Koch MP5 (German: Maschinenpistole 5, lit. 'Submachine gun 5') is a submachine gun developed in the 1960s by German firearms manufacturer...
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& Koch HK416 is an assault rifle chambered for the 5.56×45mm NATO cartridge. It is designed and manufactured by the German company Heckler & Koch. Although...
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Alkene (section Reaction overview)
methods are known, including the Horner–Wadsworth–Emmons reaction. The Wittig reaction involves reaction of an aldehyde or ketone with a Wittig reagent (or...
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by hydrocarboxylation of isobutene via the Koch reaction: (CH3)2C=CH2 + CO + H2O → (CH3)3CCO2H Such reactions require an acid catalyst such as hydrogen...
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Isobutyric acid (section Reactions)
propylene. It can also be prepared by the high pressure hydrocarboxylation (Koch reaction) from propylene: CH3CH=CH2 + CO + H2O → (CH3)2CHCO2H Isobutyric acid...
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"grenade machine gun") is an automatic grenade launcher developed by Heckler & Koch for the German Army. It is also often referred to as GMW or GraMaWa (Granatmaschinenwaffe)...
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The Heckler & Koch G36 (Gewehr 36) is an assault rifle designed in the early 1990s by German weapons manufacturer Heckler & Koch. It is chambered in 5...
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reaction with magnesium yielded amorphous powders which were more reactive and easier to handle than the substances. The improved Sandmeyer reaction using...
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Mycobacterium tuberculosis (redirect from Koch bacillus)
Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative...
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Charles G. (born 1935) and David H. Koch (1940–2019), sometimes referred to as the Koch brothers, have become famous for their financial and political...
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