Q3) |- Assign the values for i and j for these [ij] sigmatropic rearrangements: a) H b) CH2CH=CHCH=CHCH=CHCH3 H CH2=CHCH=CHCH=CHCHCH3 II- What conditions are used to effect each of the following transformations. 1- -CH3 2- + CH3 Ph H3C Ph Ph CH3CH2 C(CH3)3 3. H H H3C Ph CH3CH2 C(CH3)3 III. Of the two compounds shown, which will undergo electrocyclic ring closure more rapidly? Explain your answer for full credit.
Q3) |- Assign the values for i and j for these [ij] sigmatropic rearrangements: a) H b) CH2CH=CHCH=CHCH=CHCH3 H CH2=CHCH=CHCH=CHCHCH3 II- What conditions are used to effect each of the following transformations. 1- -CH3 2- + CH3 Ph H3C Ph Ph CH3CH2 C(CH3)3 3. H H H3C Ph CH3CH2 C(CH3)3 III. Of the two compounds shown, which will undergo electrocyclic ring closure more rapidly? Explain your answer for full credit.
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter14: Elimination
Section: Chapter Questions
Problem 46CTQ
Related questions
Question
![Q3) |- Assign the values for i and j for these [ij] sigmatropic rearrangements:
a)
H
b) CH2CH=CHCH=CHCH=CHCH3
H
CH2=CHCH=CHCH=CHCHCH3
II- What conditions are used to effect each of the following transformations.
1-
-CH3
2-
+
CH3
Ph
H3C
Ph
Ph
CH3CH2
C(CH3)3
3.
H
H
H3C
Ph
CH3CH2
C(CH3)3
III. Of the two compounds shown, which will undergo electrocyclic ring closure more rapidly?
Explain your answer for full credit.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe671f303-01c4-45da-896d-0496b2cd1668%2F9c5b52ac-e056-4d18-b8a3-8fbad7c7a019%2Ff1uy21_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3) |- Assign the values for i and j for these [ij] sigmatropic rearrangements:
a)
H
b) CH2CH=CHCH=CHCH=CHCH3
H
CH2=CHCH=CHCH=CHCHCH3
II- What conditions are used to effect each of the following transformations.
1-
-CH3
2-
+
CH3
Ph
H3C
Ph
Ph
CH3CH2
C(CH3)3
3.
H
H
H3C
Ph
CH3CH2
C(CH3)3
III. Of the two compounds shown, which will undergo electrocyclic ring closure more rapidly?
Explain your answer for full credit.
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