1) Can 2-butanol be made from butanoic acid? Why or why not? 2) Starting with on
ID: 824032 • Letter: 1
Question
1) Can 2-butanol be made from butanoic acid? Why or why not?2) Starting with only 1-propanol as your ONLY organic starting material, come up with a reaction scheme to produce: O || CH3-CH2-C-O-CH2-CH2-CH3
as your final product.
3) When you are trying to oxidize a primary alcohol to an aldehyde, why do you have to carefully choose your oxidizing agent and/or reaction conditions? Why is this not an issue in a biological organism?
4) Predict the product(s) for the following reactions: (10 pt.)
a) CH3 O | || CH3-CH2-C-C-CH2-CH3 + BENEDICT'S SOLUTION -------------------------> ??? | CH3 b)
CH3 O | || CH3-CH2-C-C + BENEDICT'S SOLUTION ----------------------------> ??? | | CH3 H
5) Why are ethers used as anesthetics, and describe why we do not use diethyl ether as an anesthetic anymore? What are we using today? (10 pt.) 1) Can 2-butanol be made from butanoic acid? Why or why not?
2) Starting with only 1-propanol as your ONLY organic starting material, come up with a reaction scheme to produce: O || CH3-CH2-C-O-CH2-CH2-CH3
as your final product.
3) When you are trying to oxidize a primary alcohol to an aldehyde, why do you have to carefully choose your oxidizing agent and/or reaction conditions? Why is this not an issue in a biological organism?
4) Predict the product(s) for the following reactions: (10 pt.)
a) CH3 O | || CH3-CH2-C-C-CH2-CH3 + BENEDICT'S SOLUTION -------------------------> ??? | CH3 b)
CH3 O | || CH3-CH2-C-C + BENEDICT'S SOLUTION ----------------------------> ??? | | CH3 H
5) Why are ethers used as anesthetics, and describe why we do not use diethyl ether as an anesthetic anymore? What are we using today? (10 pt.)
Explanation / Answer
1) Step 1: substitution
butane + chlorine gas --> 1-chlorobutane + 2-chlorobutane + HCl
Step 2: substitution
1-chlorobutane + water --> butanol + HCl
Step 3: oxidaiton
1-butanol + [O] --> butanoic acid
2)1-propanol (MnO4-) to propanoic acid
1-propanol + (H2SO4 conc, heat) to propene
propene +(H2O, H+) to 2-propanol
propanoic acid + 2-propanol (H+) to 1-propylpropanoate
3) when we are trying to oxidise a primary alcohol to an aldehyde we have to carefully choose our oxidising agent as if we choose any strong oxidising agents it will oxidise it to carboxyllic acids therefore we choose an appropriate oxidising agent under optimum condition for its oxidation to desired aldehydes.biological organisms have certain property of hameostais through which they can sustain the conditions for oxidation of the primary alcohol.
4)a)no change in the blue solution
b)the blue solution produces a dark red precipitate of copper(I)oxide.
5) ethers are used as anesthetics because they have a higher therapeutic index.ether depresses the myocardium and increases tracheobronchial secretions.
we don't use diethyl ether as an anesthetics anymore due to its flamable nature.Diethyl ether was found to have undesirable side effects, such as post-anesthetic nausea and vomiting.
now a days,we use nonflammable fluorinated hydrocarbon anesthetics,most commonly halothanes for example:
isoflurane, desflurane, and sevoflurane.
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