Name:_ ID:_
7
Problem 6 (50 points)
Diene 1 can produce progesterone derivative 3 via a sequence of two steps that includes:
(a) ozonolysis of 1 to form 2 and (b) treatment of 2 with water and KOH to form 3.
What is the structure of 2?
10 points
Me
Me
Me
Name:_ ID:_
5
Problem 4 (50 points).
Predict the missing structures of products or reagents that you may use to accomplish the
following transformations. Show the source of incorporation of deuterium and the
stereochemistry when appropriate (No mechanism
Name:_ ID:_
7
Problem 6 (50 points)
Diene 1 can produce progesterone derivative 3 via a sequence of two steps that includes: (a)
ozonolysis of 1 to form 2 and (b) treatment of 2 with water and KOH to form 3.
What is the structure of 2?
Me
Me
H
H
H
Me
O
Me
Name:_ ID:_
3
O
Problem 2 (50 points)
Synthesize compound A using only benzene and acetyl chloride ( Cl
) as the only sources of
carbons. Feel free to use any reagents you want, in order to accomplish the synthesis. Indicate
clearly the reagents used and
Name:_ ID:_
CHEMISTRY 140B
FINAL Exam
1
12/06/11
Instructions:
1: This exam consists of 8 pages, including this page. (Page 8 is blank). At the beginning of the
examination period, put your name at the top of each page.
2. This exam accounts for 50% of th
Name:_ ID:_
3
O
Problem 2 (50 points)
Synthesize compound A using only benzene and acetyl chloride ( Cl
) as the only sources of
carbons. Feel free to use any reagents you want, in order to accomplish the synthesis. Indicate
clearly the reagents used and
7. (7 points) Suppose that a couple decides to continue having children until they have a girl, or
until they have three children. Find the expected value of the number of boys that the couple
will have. You may assume that each child is equally likely to
5. (10 points) Suppose that the amount of revenue that a restaurant takes in during one day has
a mean of $2500 and a standard deviation of $500. Assume that the restaurants revenue totals
on dierent days are independent of one another. What is the probab
2. (6 points) Suppose 70 golfers, of whom 45 are American and 25 are not, enter a golf tournament.
If all golfers are equally likely to nish in the top 10, then what is the probability that at least
9 of the top 10 nishers are Americans?
3. (7 points) Sup
Name:_ ID:_
5
Problem 4 (50 points).
Predict the missing structures of products or reagents that you may use to accomplish the following
transformations. Show the source of incorporation of deuterium and the stereochemistry when
appropriate (No mechanism
Name:_ ID:_
CHEMISTRY 140B
FINAL Exam
Final exams:
1
12/06/11
Mean: 200/300
Standard Deviation: 58
Instructions:
1: This exam consists of 8 pages, including this page. (Page 8 is blank). At the beginning of the
examination period, put your name at the top