1) For the following transformations involving one elementary step each: (i) Draw &+ and 8- on the atoms that are most electron deficient or electron rich on the starting material which will help you to draw the mechanism (ii) provide mechanism arrows to describe electron flow for these transformations (ii) name the elementary steps on blanks (not as important but useful for recognition/categorization) O:CEN -I0 CN a) b) SPh SPh H-O H. d) RMi E limination CH3 O CH3 H- : Required format for multi-step mechanisms. Helps you keep track of where you are heading and saves you having to redraw product! OCH3 OCH3 :0: Bonds Made Bonds Broken e.g. C1-02 C4-H so number your atoms on SM to keep track of what is happening during the reaction (=book keeping); cross out bonds made/ broken as your mechanism demonstrates each step) reagent(s) 1.. SM Product(s) СЗ-04 reaction conditions OCH3 Intermediate #1 Nucleophilic additưon on Carbonyl caeben Int. #4, etc. Int. #2 femoval of Having group (chlopide ian Int. #3
1) For the following transformations involving one elementary step each: (i) Draw &+ and 8- on the atoms that are most electron deficient or electron rich on the starting material which will help you to draw the mechanism (ii) provide mechanism arrows to describe electron flow for these transformations (ii) name the elementary steps on blanks (not as important but useful for recognition/categorization) O:CEN -I0 CN a) b) SPh SPh H-O H. d) RMi E limination CH3 O CH3 H- : Required format for multi-step mechanisms. Helps you keep track of where you are heading and saves you having to redraw product! OCH3 OCH3 :0: Bonds Made Bonds Broken e.g. C1-02 C4-H so number your atoms on SM to keep track of what is happening during the reaction (=book keeping); cross out bonds made/ broken as your mechanism demonstrates each step) reagent(s) 1.. SM Product(s) СЗ-04 reaction conditions OCH3 Intermediate #1 Nucleophilic additưon on Carbonyl caeben Int. #4, etc. Int. #2 femoval of Having group (chlopide ian Int. #3
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Reactions of Ethers
Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.
Epoxides
Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.
Williamson Ether Synthesis
An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.
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I need help with part 3 of this problem, naming the elementary step occuring in each.
Transcribed Image Text:1) For the following transformations involving one elementary step each:
(i) Draw &+ and 8- on the atoms that are most electron deficient or electron rich on the starting material
which will help you to draw the mechanism (ii) provide mechanism arrows to describe electron flow for
these transformations (iii) name the elementary steps on blanks (not as important but useful for
recognition/categorization)
-IO
:CEN
CN
a)
b)
學0
:SPh
SPh
H-O
c)
d)
RHi E limination
: CH3 O:0 CH3
H-O :
e)
f)
Required format for multi-step mechanisms. Helps you keep track of
where you are heading and saves you having to redraw product!
?OCH3
: OCH3
O:
:0:
reagent(s)
Product(s)
Bonds Made Bonds Broken
C3-04
SM
OCH3
reaction
conditions
e.g. C1-02
C4-H
so number your atoms on
SM to keep track of what
is happening during the
reaction (=book keeping);
cross out bonds made/
broken as your
mechanism demonstrates
each step)
Intermediate
#1
g)
Nucleophi ic additron
on carbonyl carban
Int. #4, etc.
Int. #2
lemoval of Having.
group (chlopide ión)
Int. #3
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