13 Be sure to answer all parts. One step in the synthesis of occidentalol, a natural product isolated from the eastern white cedar tree, involved the following reaction. ts A A. several A steps еВook H CH3O CH30 B (-)-occidentalol Print Part 1 out of 2 Draw the structure of A (use hashed wedged bonds to denote endo bonds and wedged bonds to denote -ferences exo bonds). draw structure ... 3 attempts left Check my work Next part
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.
![13
Be sure to answer all parts.
One step in the synthesis of occidentalol, a natural product isolated from the eastern white cedar tree,
involved the following reaction.
ts
several
steps
еВook
H
HO.
CH3O
CH30
B
(-)-occidentalol
Print
Part 1 out of 2
Draw the structure of A (use hashed wedged bonds to denote endo bonds and wedged bonds to denote
еxo bonds).
eferences
draw structure ...
3 attempts left
Check my work
Next part
中](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c942bae-ddd6-4448-9bcb-ae61af1c6eda%2F4a1ba62e-e9e1-430e-90cc-015d7e76d409%2Fu657hbg_processed.png&w=3840&q=75)
![14
Be sure to answer all parts.
Devise a stepwise mechanism for the conversion of M to N. N has been converted in several steps to
lysergic acid, a naturally occurring precursor of the hallucinogen LSD.
ts
CH3O.
Но
еВook
OCH3
.N
.N.
OCH3
three steps
NOCH3
Print
N-
N-
H
H
H
M
lysergic acid
eferences
Part 1 out of 2
Draw the product of the first step.
CO,CH3
+
NOCH3
draw structure ...
HN
M
中](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c942bae-ddd6-4448-9bcb-ae61af1c6eda%2F4a1ba62e-e9e1-430e-90cc-015d7e76d409%2Ff1tsygp_processed.png&w=3840&q=75)
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