Wurtz Fittig synthesis   (translated from German)
... synthesis examined chemical reaction , with the one aryl halide (z. B. Brombenzen) and an alkyl halide (z. B. Methyliodid ) with an alkali metal ... synthesis. In a first step the alkyl halide more reactive in the comparison to the aryl halide is reduced from the sodium ...
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Heck reaction
... the Mizoroki-Heck reaction couples an unsaturated halide or triflate with an alkene in a ... the presence of an organopalladium catalyst . The halide or triflate is an aryl, benzyl, or vinyl compound and the alkene ... propensity for trans coupling as the palladium halide group and the bulky organic residue move ... in which palladium inserts itself in the aryl to bromide bond. In step 3 ...
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Grignard reagent
... A Grignard Reagent is an alkyl- or aryl- magnesium halide. This reagent is important in the synthesis ... reagents are formed by reacting alkyl or aryl halides with magnesium metal, conferring a negative ... between the carbon base and the magnesium halide group. Thus, many of these reactions are ... chemical reaction that converts a primary alkyl halide to an aldehyde one carbon longer. ...
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Nukleophile substitution   (translated from German)
... R-X (R designates one Alkyl or Aryl residue, X elektronenziehendes Heteroatom ). The heteroatom is ... Alkyl halides: Alkyl chloride and Alkyl bromide Aryl halides: Aryl chloride and Aryl bromide Carbonic acid derivatives, how Chloride, Ester ... I-mechanism. Examples Substitution at alkyl carbon/aryl carbon Sauerstoff as Nukleophil Alkyl chloride ...
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Stille cross coupling
... is a cross coupling reaction of an aryl halide with an aryl or alkenyl tin compound using a zero ... into the carbon-halogen bond of the aryl halide occurs; then the transmetalation of the ...
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Coupling reaction
... the nickel chloride catalyzed reaction of an aryl magnesium halide with an aryl halide to form a biaryl. An example of ... copper metal with two molecules of an aryl halide to form a biaryl. The ...
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1,3,2,4-dithiadiphosphetane 2,4-disulfides
... of the para-methoxyphenyl groups it has aryl sulfide groups. While the Davy reagent is ... reaction of P 4 S 10 with aryl ethers which are different to anisole. For ... common, but the reaction of an alkyl halide with a 1,3,2,4-dithiadiphosphetane ... a sulfur-carbon bond and a phosphorus-halide bond. Such a compound could act as ... it would be best to convert the halide to another leaving group which would ...
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Sandmeyer reaction
... is a chemical reaction used to synthesize aryl halides from aryl diazonium salts. An aromatic (or heterocyclic) amine ... react with a nitrite to form an aryl diazonium salt. This diazonium salt will decompose ... copper(I) chloride) to form the desired aryl halide. Several improvements have been made to ...
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Organolithium reagent
... method is the reaction of an alkyl halide with a radical anion lithium salt, such ... the metal-halogen exchange between an organic halide compound and an organolithium species. As this ... best. This method is usually used with halide compounds that are generally unreactive towards metallic lithium, such as aryl-, vinyl- and ethynyl halides. The only prerequisite is the halide compound is substantially more electronegative than ...
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Estacade � claire-voie-Reaktion   (translated from German)
... Kupplungsreaktion - the direct makes possible Olefinierung of Aryl halides, whereby the halide is replaced by the appropriate group of alkenyls. Can be used simple alkenes, aryl-substituted alkenes or elektrophile alkenes such as ... begins with the oxidative addition of the halide to the Palladium(0)-Spezies, whereby a ...
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