1-bromo-3-methylbutane vs 1-bromo-3-methyl-2-butene vs 1-bromo-2,2=dimethylpropane Which compound reacts fastest in respect to SN2. Which is slowest?
1-bromo-3-methylbutane vs 1-bromo-3-methyl-2-butene vs 1-bromo-2,2=dimethylpropane Which compound reacts fastest in respect to SN2. Which is slowest?
Homework Answers
As the steric on the carbon having the leaving group increases the rate at which SN2 reaction occurs decreases so the structures are as shown. Though the alkyl bromide is not crowded the sterics are still important so 1-bromo-2,2-dimethylpropane is the slowest and 1-bromo-3-methylbutane is the fastest the olefin will make the compound crowded as it does not allow any bond rotation.
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1-bromo-3-methylbutane vs 1-bromo-3-methyl-2-butene vs
1-bromo-2,2=dimethylpropane Which compound reacts fastest in
respect to SN2. Which is slowest?
Rank (slowest to fastest) the following compounds in order of reactivity with respect to an SN2...
Rank (slowest to fastest) the following compounds in order of reactivity with respect to an SN2 reaction. Explain your reasoning for the ranking you propose. The compounds are 1-bromo-3-methylbutane, 1-bromo-2,2-dimethylpropane and 2-bromo-2-methylbutane.
Draw the following compounds: 2-methyl-2-butene 1,4-heptadiene 1-butyne chloromethane n-pentane 2,2-dimethylpropane
Draw the following compounds: 2-methyl-2-butene 1,4-heptadiene 1-butyne chloromethane n-pentane 2,2-dimethylpropane
Which of the following bromoalkanes reacts the fastest with sodium cyanide, NaCN, in acetonitrile? A) 1-bromo-3-methylbu...
Which of the following bromoalkanes reacts the fastest with sodium cyanide, NaCN, in acetonitrile? A) 1-bromo-3-methylbutane B) 2-bromo-2-methylbutane C) bromocyclohexane D) bromomethane
1. 3-methyl-1-butene on reaction with H-Cl forms two products, namely 2-chloro-3- methylbutane (minor) and 2-chloro-2-methylbutane (major)....
1. 3-methyl-1-butene on reaction with H-Cl forms two products, namely 2-chloro-3- methylbutane (minor) and 2-chloro-2-methylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 2. 3,3-dimethyl-1-butene on reaction with HBr forms two products, namely 3-bromo-2,2- dimethylbutane (minor) and 2-bromo-2,3-dimethylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 3. Calculate...
A reaction of 2-methyl-2-butene with NBS and heat forms both 1-bromo-2-methyl-2-butene and 3-bromo-2-methyl-1-butene. The reason for...
A reaction of 2-methyl-2-butene with NBS and heat forms both 1-bromo-2-methyl-2-butene and 3-bromo-2-methyl-1-butene. The reason for the formation of multiple products is: a)Markovnikov and Anti-markovnikov addition b)rearrangement of the radical by hydride shift c)resonance structures of the radical d) dibromination products
Question 53 Propose an efficient synthesis of 2-bromo-3-methylbutane using 2-methyl-2-butene. HBr H20 HBr ०००० ROOR ₹₹₹₹...
Question 53 Propose an efficient synthesis of 2-bromo-3-methylbutane using 2-methyl-2-butene. HBr H20 HBr ०००० ROOR ₹₹₹₹ Brz H20+ Br2 hv
1. Given the following structures that react by Sn1, which would react fastest and which would...
1. Given the following structures that react by Sn1, which would react fastest and which would react slowest. Give reasoning. 5-bromo-1,3-pentadiene, bromocyclopentane, (R)-2-bromo-2-methylhexane. 2.If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 3.You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by Sn1 or Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 4. Why does benzyl bromide react under both Sn1 and Sn2...
What is the I.U.P.A.C. name of the following compound? 2, 2-dimethylpropane 2-methylbutane dimethylbutane 3-methylbutane 3-methylpropane What...
What is the I.U.P.A.C. name of the following compound? 2, 2-dimethylpropane 2-methylbutane dimethylbutane 3-methylbutane 3-methylpropane What terms describes molecules that have the same molecular formula, but have different structures? allotropes isotopes conformers isomers alkanes Of the structures shown, which two are isomers?
Question 34 (Mandatory) (2 points) Name the following molecule CH3 CI Br 1-chloro-2-methyl-4-bromo=2=butene 04-chloro-3-methyl-1-bromo=2=butene 01-bromo-4-chloro-3-methyl-2-butene 04-bromr-1-chloro-2-methyl-2-butene...
Question 34 (Mandatory) (2 points) Name the following molecule CH3 CI Br 1-chloro-2-methyl-4-bromo=2=butene 04-chloro-3-methyl-1-bromo=2=butene 01-bromo-4-chloro-3-methyl-2-butene 04-bromr-1-chloro-2-methyl-2-butene Question 35 (Mandatory) (2 points) Name the following molecule Question 33 (Mandatory) (2 points) Name the following molecule ОН 2-ethoxy-1-ethanol ethyl ethanol ether 2-oxy-1-butanol 1-ethoxy-1-ethanol Question 34 (Mandatory) (2 points) Question 35 (Mandatory) (2 points) Name the following molecule OH p-isopropylmethylphenol 2-isopropyl-5-methylphenol 6-isopropyl-3-methylphenol 2-isopropyl-1-hydroxy-5-methylcyclohexatriene Type here to search о в е Question 36 (Mandatory) (2 points) Name the following molecule 2-methyl-2-oxy-butane 0 1,1-dimethyl ethyl...
rank the molecules in terms of SN2 mechanisms. (1 fastest and 4 slowest) 2. Rank the...
rank the molecules in terms of SN2 mechanisms. (1 fastest and
4 slowest)
2. Rank the following molecules in terms of Sn2 mechanisms (1 fastest and 4 slowest). (2 points) Br Br
1. 3-methyl-1-butene on reaction with H-Cl forms two products, namely 2-chloro-3- methylbutane (minor) and 2-chloro-2-methylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 2. 3,3-dimethyl-1-butene on reaction with HBr forms two products, namely 3-bromo-2,2- dimethylbutane (minor) and 2-bromo-2,3-dimethylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 3. Calculate...
Question 53 Propose an efficient synthesis of 2-bromo-3-methylbutane using 2-methyl-2-butene. HBr H20 HBr ०००० ROOR ₹₹₹₹ Brz H20+ Br2 hv
What is the I.U.P.A.C. name of the following compound? 2, 2-dimethylpropane 2-methylbutane dimethylbutane 3-methylbutane 3-methylpropane What terms describes molecules that have the same molecular formula, but have different structures? allotropes isotopes conformers isomers alkanes Of the structures shown, which two are isomers?
Question 34 (Mandatory) (2 points) Name the following molecule CH3 CI Br 1-chloro-2-methyl-4-bromo=2=butene 04-chloro-3-methyl-1-bromo=2=butene 01-bromo-4-chloro-3-methyl-2-butene 04-bromr-1-chloro-2-methyl-2-butene Question 35 (Mandatory) (2 points) Name the following molecule Question 33 (Mandatory) (2 points) Name the following molecule ОН 2-ethoxy-1-ethanol ethyl ethanol ether 2-oxy-1-butanol 1-ethoxy-1-ethanol Question 34 (Mandatory) (2 points) Question 35 (Mandatory) (2 points) Name the following molecule OH p-isopropylmethylphenol 2-isopropyl-5-methylphenol 6-isopropyl-3-methylphenol 2-isopropyl-1-hydroxy-5-methylcyclohexatriene Type here to search о в е Question 36 (Mandatory) (2 points) Name the following molecule 2-methyl-2-oxy-butane 0 1,1-dimethyl ethyl...
rank the molecules in terms of SN2 mechanisms. (1 fastest and
4 slowest)
2. Rank the following molecules in terms of Sn2 mechanisms (1 fastest and 4 slowest). (2 points) Br Br
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