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
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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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Epoxy adhesives are prepared in two steps. SN2 reaction of the disodium salt of bisphenol A with epichlorohydrin forms a 鈥淧re-polymer,鈥 which is then 鈥淐ured鈥 by treatment with a triamine such as H2NCH2CH2NHCH2CH2NH2.
Draw structures to show how the addition of the triamine results in a strengthening of the polymer.
One step in the gluconeogenesis pathway for the biosynthesis of glucose is the partial reduction of 3-phosphoglycerate to give glyceraldehyde 3-phosphate. The process occurs by phosphorylation with ATP to give 1,3-bisphosphoglycerate, reaction with a thiol group on the enzyme to give an enzyme-bound thioester, and reduction with NADH. Suggest mechanisms for all three reactions.

How might you prepare the following esters using a nucleophilic acyl substitution reaction of an acid chloride?
(a)
(b)
(c) Ethyl benzoate.
21-37 Fats are biosynthesized from glycerol 3-phosphate and fatty-acyl CoA'sby a reaction sequence that begins with the following step. Show the mechanism of the reaction.

21-31 Predict the product(s) and provide the mechanism for each reactionbelow.

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