Chapter 21: Q80E (page 726)
Draw the structure of the compound that produced the spectra below.
The infrared spectrum has strong bands at1720 and 1738 cm-1
Short Answer
The Structure should be
Chapter 21: Q80E (page 726)
Draw the structure of the compound that produced the spectra below.
The infrared spectrum has strong bands at1720 and 1738 cm-1
The Structure should be
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Get started for freeHow would you convert N-ethylbenzamide to each of the following products?
(a) Benzoic acid (b) Benzyl alcohol (c)
21-50 Answer Problem 21-48 for the reaction of the listed reagents withpropanamide
Treatment of 5- aminopentanoic acid DCC(dicyclohexylcarbodiimide) yields a lactam. Show the structure of the product and the mechanism of the reaction.
The hydrolysis of a biological thioester to the corresponding carboxylate is often more complex than the overall result might suggest. The conversion of succinyl CoA to succinate in the citric acid cycle, for instance, occurs by initial formation of an acyl phosphate, followed by reaction with guanosine diphosphate (GDP, a relative of adenosine diphosphate [ADP]) to give succinate and guanosine triphosphate (GTP, a relative of ATP). Suggest mechanisms for both steps.
21-75 One frequently used method for preparing methyl esters is by reactionof carboxylic acids with diazomethane,
The reaction occurs in two steps: (1) protonation of diazomethane bythe carboxylic acid to yield methyldiazonium ion,, plus a carboxylate ion; and (2) reaction of the carboxylate ion with .
(a) Draw two resonance structures of diazomethane, and account forstep 1.
(b) What kind of reaction occurs in step 2?
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