acid chlorides and anhydrides

Related BrainMass Solutions

• Synthesizing Esters

  Typically these are classed as from Carboxylic Acids, from Acyl Chlorides, and from Acid Anhydrides.

• Reactivity of acid chlorides and ethyl esters toward nucleophilic substitution

  55072 Reactivity of acid chlorides and ethyl esters toward nucleophilic substitution Give a explanation of why acid chlorides are more reactive toward nucleophilic substitution than are the corresponding ethyl esters.

• Acid Derivatives and Amide Properties

  The correct order of reactivity of acid derivatives towards nucleophilic attack is: esters > acid anhydrides > amides amides > esters > anhydrides carboxylates > esters > amides anhydrides > esters > amides 2.

• Important information about Chemical reaction

  Carboxylic esters, amides, anhydrides and chlorides ? Nitriles Now, we need to decide what happens when the two compounds react together.

• Nucleophilic substitution Versus ethyl esters

  An explanation of why acid chlorides are more reactive towards nucleophilic substitution than ethyl esters are given.

• Cellulose Chemistry

  These anhydrides are quite active and will esterify alcohols (including cellulose). The reaction of cellulose with maleic anhydride is shown below. Maleic acid can also be formed as a by product.

• Synthesis of cyclic carboxylic acid anhydrides

  74840 Synthesis of cyclic carboxylic acid anhydrides I am having trouble understanding why when maelic acid is heated to about 100 C it forms maelic anhydride but fumaric acid requires a much higher temp 250-300 before it dehydrates.

• Using Acid Chlorides to Prepare Aromatic Ketones

  21663 Using Acid Chlorides to Prepare Aromatic Ketones Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones.

• Carboxylic Acid Derivatives

  The behaviors of acyl chlorides and aldehydes in a reaction with a nucleophile are different because: a. The carbonyl carbon of the aldehyde is more positive. b.