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Carboxylic acids arylation

Phenolic compounds are weaker nucleophiles and better leaving groups than aliphatic alcohols. They do not yield polyesters when reacted with carboxylic acids or alkyl carboxy lates. The synthesis of polyesters from diphenols is, therefore, generally carried out through the high-temperature carboxylic acid-aryl acetate or phenyl ester-phenol interchange reactions with efficient removal of reaction by-product (Schemes 2.10 and 2.11, respectively). [Pg.62]

Carboxy-hydroxy reactions, 63 Carboxyl endgroup chemical titration, 94 Carboxylic acid-aryl acetate interchange reactions, 62, 63... [Pg.579]

Apart from aryl esters and amides of carboxylic acids, aryl carbonates, and carbamates, other types of organic compound have been reported to undergo PFR. They include oxalates, formiates, sulfonates, sulfonamides, thioesters, selenoesters, and telluroesters. [Pg.87]

Advantageously, catalytic amounts of rare earth metal triflates are used instead of stoichiometric amounts of aluminum trichloride in catalytic Fries rearrangements of carboxylic acid aryl esters furnishing keto building blocks, e.g. 10... [Pg.105]

A catalytic amount of OSO4 in combination with H2O2 in DMF has also been shown to efficiently cleave alkenes, producing aldehydes rather than carboxylic acids. Aryl olefins are cleaved in good yield, whereas alkyl olefins cleaved moderate yield for di- and tri-substituted alkenes (eq 72). ... [Pg.278]

Carboxylic acid aryl esters from carboxylic acids and phenols Azeotropic water entrainment... [Pg.63]

Active carboxylic acid aryl esters COOH COOAr... [Pg.64]

Carboxylic acid aryl esters from sulfites or phosphites—Activated carboxylic acid esters s. 12, 305... [Pg.103]

Ar. carboxylic acid aryl esters from arenes ArH ArGOOAr... [Pg.255]


See other pages where Carboxylic acids arylation is mentioned: [Pg.86]    [Pg.473]    [Pg.16]    [Pg.508]    [Pg.166]    [Pg.68]    [Pg.68]    [Pg.275]    [Pg.251]    [Pg.273]    [Pg.273]    [Pg.3]    [Pg.78]    [Pg.301]    [Pg.242]    [Pg.242]   
See also in sourсe #XX -- [ Pg.68 ]




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2-aryl 4-carboxylates

Aryl acid

Aryl carboxylate

Aryl carboxylic acids

Aryl carboxylic acids

Aryl carboxylic acids, nitration

Aryl halides carboxylic acid amide

Aryl-cyclopropane Carboxylic Acids

Arylation carboxylic acid additives

Carboxylic acid aryl ester

Carboxylic acid chlorides arylation

Carboxylic acids aryl, conversion to bromides by radical

Carboxylic acids from aryl halides

Carboxylic acids, aryl => arenes

Copper, reaction with aryl carboxylic acids

Direct arylation without carboxylic acid

Esters arylation carboxylic acid

Of aryl carboxylic acids

Phenols carboxylic acid aryl ester

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