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Carboxylic acids, from

Do not liberate COj from NajCO solutions (distinction from carboxylic acids, p. 347). [Pg.338]

It requires a certain flexibility of mind to accept the proposal of using the same THF as extraction solvent in some cases. Ue discovered this possibility, when we tried to remove this solvent from carboxylic acids in a water-pump, vacuum it appeared difficult to remove the last traces of this solvent, even when heating at 70-80°C in a vacuum of 10-15 mmHg was applied. It seemed that there is some weak complexation. This led us to the idea of using THF for the extraction of carboxylic acids from the aqueous phase (after saturation with... [Pg.2]

In synthetic target molecules esters, lactones, amides, and lactams are the most common carboxylic acid derivatives. In order to synthesize them from carboxylic acids one has generally to produce an activated acid derivative, and an enormous variety of activating reagents is known, mostly developed for peptide syntheses (M. Bodanszky, 1976). In actual syntheses of complex esters and amides, however, only a small selection of these remedies is used, and we shall mention only generally applicable methods. The classic means of activating carboxyl groups arc the acyl azide method of Curtius and the acyl chloride method of Emil Fischer. [Pg.143]

Acyl chlorides are readily available They are prepared from carboxylic acids by reaction with thionyl chloride... [Pg.485]

The chemistry of the carbonyl group is probably the single most important aspect of organic chemical reactivity Classes of compounds that contain the carbonyl group include many derived from carboxylic acids (acyl chlorides acid anhydrides esters and amides) as well as the two related classes discussed m this chapter aldehydes and ketones... [Pg.741]

The names of amides of the type RCNH2 are derived from carboxylic acids by replacing the suffix oic acid or ic acid by amide... [Pg.832]

From carboxylic acids (Sections 15 8 and 19 14) In the pres ence of an acid catalyst alco hols and carboxylic acids react to form an ester and water This IS the Fischer esterification... [Pg.847]

From carboxylic acid anhy drides (Sections 15 8 and 20 6)... [Pg.847]

Amides are sometimes prepared directly from carboxylic acids and amines by a two step process The first step is an acid-base reaction m which the acid and the amine combine to form an ammonium carboxylate salt On heating the ammonium carboxy late salt loses water to form an amide... [Pg.860]

Oxazoles, prepared from carboxylic acids (benzoin, DCC NH4OAC, AcOH, BOSS % yield), have been used as carboxylic acid protective groups in a variety of synthetic applications. They are readily cleaved by singlet oxygen followed by hydrolysis (ROH, TsOH, benzene or K2CO3, MeOH ). [Pg.189]

Participation of fluorocarbocations, derived from carboxylic acids and from halo acetones, in reactions of carbonyl compounds with sulfur tetrafluoride has been directly evidenced by trapping them with aromatic hydrocarbons [207, 20S],... [Pg.243]

To place the acidity of phenol in perspective, note that although phenol is more than a million times more acidic than ethanol, it is over a hundred thousand times weaker than acetic acid. Thus, phenols can be separated from alcohols because they are more acidic, and from carboxylic acids because they are less acidic. On shaking an ether solution containing both an alcohol and a phenol with dilute sodium hydroxide, the phenol is converted quantitatively to its sodium salt, which is extracted into the aqueous phase. The alcohol remains in the ether phase. [Pg.997]

AcCl, MeOH, 95-100% yield. This is a convenient method for generating anhydrous HCl in methanol. These conditions are also used to prepare methyl esters from carboxylic acids and for the formation of amine hydrochlorides. ... [Pg.520]

Electrochemical reduction of oxazolinium salts 36 gives the anions 37, which add efficiently to alkyl halides or, in the presence of McsSiCl, to methyl acrylate, methyl vinyl ketone, and acrylonitrile. Simple acid hydrolysis then gives the ketone products 38 and 39, and this method is quite general since the starting salts are readily prepared from carboxylic acids, R C02H (87TL4411). [Pg.94]

Acid chlorides are prepared from carboxylic acids by reaction with thionyl chloride (SOCl2), as we saw in the previous section. Similar reaction of a carboxylic acid with phosphorus tribromide (PB ) yields the acid bromide. [Pg.800]

Esters are usually prepared from carboxylic acids by the methods already discussed. Thus, carboxylic acids are converted directly into esters by SK2 reaction of a carboxyfate ion with a primary alkyl halide or by Fischer esterification of a carboxylic acid with an alcohol in the presence of a mineral acid catalyst. In addition, acid chlorides are converted into esters by treatment with an alcohol in the presence of base (Section 21.4). [Pg.808]

Acid anhydride, amides from, 807 eleclrostatic potential map of, 791 esters from, 807 from acid chlorides, 806 from carboxylic acids, 795 1R spectroscopy of, 822-823 naming, 786... [Pg.1281]

Acid bromide, enol of, 849 from carboxylic acids, 800... [Pg.1281]

Acid chloride—con l d esters from, 802-803 from carboxylic acids, 794-795 Grignard reaction of, 804-805 hydrolysis of, 802 IR spectroscopy of, 822-823 ketones from, 805 mechanism of formation from carboxylic acids, 795 naming, 786... [Pg.1282]

Acyl adenosyl phosphate, from carboxylic acids, 800-801 mechanism of formation of. 800-801... [Pg.1282]

Iodine in functionalization of C 19 meth> 1 group of 3d acetoxy 20/3 hydroxy 5 pregnene 46, 58 Iron powder in preparation of ketones from carboxylic acids, 47, 75 Isobutene, 45, 49... [Pg.131]


See other pages where Carboxylic acids, from is mentioned: [Pg.997]    [Pg.68]    [Pg.318]    [Pg.528]    [Pg.609]    [Pg.700]    [Pg.722]    [Pg.897]    [Pg.127]    [Pg.174]    [Pg.847]    [Pg.38]    [Pg.10]    [Pg.794]    [Pg.1282]    [Pg.1282]    [Pg.1285]    [Pg.1285]    [Pg.1286]    [Pg.1297]   
See also in sourсe #XX -- [ Pg.568 , Pg.573 , Pg.1213 , Pg.1327 , Pg.1655 , Pg.1677 ]

See also in sourсe #XX -- [ Pg.1225 ]

See also in sourсe #XX -- [ Pg.846 , Pg.849 ]




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1.4- Dicarbonyl compounds from carboxylic acids

7-Ketocarboxylic - from carboxylic acid esters

Acid bromide, enol from carboxylic acids

Acid chloride formation from carboxylic

Acid chloride, alcohols from carboxylic acids

Acid chloride, alcohols from reaction with carboxylate ions

Acid chlorides preparation from carboxylic acids

Acyl adenosyl phosphate, from carboxylic acids

Acyl adenylate, from carboxylic acids

Acyl adenylate, from carboxylic acids mechanism of formation

Acyl bromides from carboxylic acids

Acyl chloride, from carboxylic acids

Acyl chlorides ynthesis from carboxylic acids

Acyl chlorides, from carboxylic acids, with

Acyl fluorides from carboxylic acids

Acylating agents from carboxylic acids

Alcohols carboxylic acid separation from

Alcohols from carboxylic acid derivatives

Alcohols from carboxylic acid esters

Alcohols from carboxylic acids

Alcohols preparation from carboxylic acids

Aldehydes from carboxylic acid derivative

Aldehydes from carboxylic acid esters

Aldehydes from carboxylic acid reduction

Aldehydes from carboxylic acid salts

Alkenes from carboxylic acids

Alkyl hydroperoxide, from carboxylic acids

Amide formation, from a carboxylic acid

Amide formation, from a carboxylic acid and urea

Amides from carboxylic acids

Amine from carboxylic acids

Amines from carboxylic acid derivatives

Amines, separation from carboxylic acids

Amino esters from carboxylic acids

Anhydrides from carboxylic acid salts

Anhydrides from carboxylic acids

Anhydrides, synthesis from carboxylic acids

Azides, preparation from carboxylic acids

CARBOXYLIC ACIDS FROM OXIDATION OF TERMINAL

CARBOXYLIC ACIDS FROM OXIDATION OF TERMINAL ALKENES

Carbohydrates carboxylic acids, preparation from

Carboxamides from carboxylic acids

Carboxylic Acids, isolation from salts

Carboxylic Acids, isolation from salts reactions

Carboxylic acid amid 7-halogeno- (from

Carboxylic acid amides from ethylene derivs

Carboxylic acid anhydrides from 2 molecules)

Carboxylic acid anhydrides: aliphatic from 1,2-dicarboxylic acids

Carboxylic acid esters from 2 molecules)

Carboxylic acid esters from halides

Carboxylic acid fluorides from 2 molecules)

Carboxylic acid from Grignard reagents

Carboxylic acid from malonic ester

Carboxylic acid separation from other organic

Carboxylic acid, formation from fatty acids

Carboxylic acids From acyl derivatives

Carboxylic acids From carboxylation reactions

Carboxylic acids From oxidative cleavage reactions

Carboxylic acids acylation reagents from

Carboxylic acids amide formation from

Carboxylic acids ammonium salts from

Carboxylic acids benzoic acid, synthesis from

Carboxylic acids formation from ozonolysis

Carboxylic acids from acyl halides

Carboxylic acids from aldehydes

Carboxylic acids from alkane oxidation

Carboxylic acids from alkene hydrocarboxylation

Carboxylic acids from alkyl halides

Carboxylic acids from alkylbenzenes

Carboxylic acids from alkynes

Carboxylic acids from amine-catalyzed condensation reactions

Carboxylic acids from arene oxidation

Carboxylic acids from aromatic compounds

Carboxylic acids from aryl halides

Carboxylic acids from boranes

Carboxylic acids from carbon dioxide

Carboxylic acids from carboxylate ions

Carboxylic acids from diazoketones

Carboxylic acids from diols

Carboxylic acids from formate isomerization

Carboxylic acids from ozonides

Carboxylic acids from ozonolysis of alkene

Carboxylic acids preparation from

Carboxylic acids preparation from direct oxidation

Carboxylic acids radical formation from

Carboxylic acids synthesis from

Carboxylic acids synthesis from alkenes

Carboxylic acids synthesis from alkyl halides

Carboxylic acids synthesis from organoboranes

Carboxylic acids, conjugated from alkynes

Carboxylic acids, from acyl

Carboxylic acids, from acyl alcohols

Carboxylic acids, from acyl alkenes

Carboxylic acids, from acyl carbon dioxide

Carboxylic acids, from acyl dianions

Carboxylic acids, from acyl synthesis

Carboxylic acids, from alkyls

Carboxylic acids, from ketenes

Carboxylic acids, from malonic acid derivatives

Carboxylic acids, from primary

Carboxylic acids, from primary cycloaddition

Carboxylic acids, from primary nitroalkanes

Carboxylic acids, tetrahedral intermediates derived from, spectroscopic

Carboxylic acids, tetrahedral intermediates derived from, spectroscopic detection

Carboxylic acids, tetrahedral intermediates derived from, spectroscopic detection and investigation

Carboxylic acids, tetrahedral intermediates derived from, spectroscopic detection and investigation of their properties

Carboxylic acids: conversion synthesis: from anions with

Carboxylic esters, from acyl acids

Carboxylic from halogenated aliphatic acids

Carboxylic from support-bound acids

Compounds, colored carboxylic acids from

Diethyl malonate, alkylation carboxylic acids from

Dithiocarboxylic esters, from carboxylic acids

Enol esters, from alkynes with carboxylic acids

Enol ethers from carboxylic acids

Enolate anions from carboxylic acid derivatives

Esters from carboxylic acid and alcohol

Esters from carboxylic acid anhydrides

Esters from carboxylic acid salts

Esters from carboxylic acids

Esters from carboxylic acids (Fischer

Esters from carboxylic acids using diazomethane

Esters, from carboxylic acids, and

FROM CARBOXYLIC ACID AND ALCOHOLS

Friedel-Crafts acylation reactions synthesis from carboxylic acids

From Carboxylic Acid Hydrazides and Phosphorous Halides

From Tellurolates and Carboxylic Acid Chlorides

From acyl halides reaction with carboxylic acids

From carboxylic acid derivatives

From carboxylic acid salts

From carboxylic acids and derivatives

From carboxylic acids tautomers

From carboxylic acids tertiary

From reduction of carboxylic acids

From unsaturated carboxylic acids

Halides from carboxylic acids with decarboxylation

Hydrocarbons from carboxylic acids

Hydrocarbons, hydrocarbon carboxylic acids (from methyl

Imine salts from carboxylic acids

Intermediates, tetrahedral, derived from carboxylic acids, spectroscopic detection and

Isocyanate from carboxylic acids

Isopropenyl - from carboxylic acid esters

Ketones, from carboxylic acids

Ketones, preparation from carboxylic acid

Ketones, preparation from carboxylic acid 2,2-DIMETHYL

Ketones, preparation from carboxylic acid Lead oxide

Ketones, preparation from carboxylic acid Lithium

Ketones, preparation from carboxylic acid Lithium chloride

Ketones, preparation from carboxylic acid Lithium, methyl

Ketones, preparation from carboxylic acid Magnesium

Ketones, preparation from carboxylic acid ester

Lactone carboxylic acid from Cladonia impexa

Lactone carboxylic acid from Lecanora rupicola

Lactones From unsaturated carboxylic acids

Malonic ester, carboxylic acids from decarboxylation

Methyl esters, from carboxylic acids and

Methyl esters, from diazomethane with carboxylic acid

Methyl ketones, from carboxylic acids

Monolayers formed from carboxylic acids

Nitriles from carboxylic acids

Organolithium reagents from carboxylic acids

Oxidation carboxylic acids from

Peroxyacids from carboxylic acids

Phosphonic acids, from carboxylic acid

Phosphorus Chloride carboxylic acid chlorides from acids

Preparation carboxylic acids from esters

Preparation carboxylic acids from nitriles

Preparation of Nitriles from Carboxylic Acid(Derivative)s

Protons, from carboxylic acids, reduction

Pyridine 2-carboxylic acid, from

Pyridine 2-carboxylic acid, from 2-methylpyridine

Pyrrole-2-carboxylic acid esters, from

Pyrrole-2-carboxylic acid esters, from ketone

Pyrrole-2-carboxylic acid esters, from pyrrol-2-yl trichloromethyl ketone

Pyrrolidine-2-carboxylic acid esters, 3-hydroxy— from

Radicals from Carboxylic Acids

Selenides, from carboxylic acids

Simple Langmuir-Blodgett films formed from carboxylic acids

Spectroscopic detection of tetrahedral intermediates derived from carboxylic acids

Spectroscopic detection of tetrahedral intermediates derived from carboxylic acids and the

Substituted -Butyrolactones From Carboxylic Acids and Olefins 7-(-Octyl)-y-Butyrolactone

Sulfides, from carboxylic acids

Synthesis carboxylic acid esters from

Synthesis of Ketones from Carboxylic Acids

Tetrahedral intermediates derived from carboxylic acids, spectroscopic detection and the investigation of their properties

Tetrahedral intermediates derived from carboxylic acids, spectrosopic detection and

Tetrahedral intermediates derived from carboxylic acids, spectrosopic detection and the investigation of their properties

Tetrahedral intermediates from carboxylic acid derivatives

Tetrahedral intermediates, derived from carboxylic acids, spectroscopic detection and the

The Synthesis of Linear Polymeric Esters from Cyclic Trimethylene Acetals and Dibasic Carboxylic Acids

Thioesters from carboxylic acid derivatives

Thionyl Chloride carboxylic acid chlorides from acids

Transamidation carboxylic acid amides from

Transamidation from carboxylic acids

Transesterification carboxylic acid esters from

Unsaturated carbonyl compounds) From carboxylic acids

Unsubstituted Diorganotin Carboxylates Derived from Nitrogen Containing Acids

Unsubstituted Triorganotin Carboxylates Derived from Acids Containing Nitrogen

Unsubstituted Triorganotin Carboxylates Derived from Halogen Substituted Acids

Unsubstituted Triorganotin Carboxylates Derived from Heterocyclic Acids

Unsubstituted Triorganotin Carboxylates Derived from Oxygen and Sulfur Containing Acids

Weinreb amides from carboxylic acids

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