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Category > Chemistry Posted 27 Apr 2017 My Price 5.00

structures for A, B and C.

1. Provide the structures for A, B and C.
O O 1 ) N a O E t/E tO H H3C OEt 2 ) C H C H C H C H B r
3
2
2
2 A= B= A 1 ) N a O E t/E tO H H 3O B + C 2 ) C H 3C H 2B r C= 2. Provide the product, starting material, or reagents necessary to complete the reaction.
O 1 ) N a O E t/E tO H
RT CH3 2 ) C H 3C H 2C H 2B r
Cl
E t3 N ( A m ild is h b a s e )
M eO H CHO
MeO
OMe
O (2 starting materials)
O OH
Cl + 3. Account for the fact that treatment of 1,3-diphenyl-1,3-propanedione with I2 and NaOH gives
a precipitate of iodoform even though it is not a methyl ketone. Besides iodoform, the other
product of the reaction, after acidification is two equivalents of benzoic acid.
O O
CH2 4. The synthetic process below will not work and give the product shown. Give an explanation as
to why it won’t give the desired product. Then, provide the correct reagents to complete the
conversion.
O O 1 ) N a O E t/E tO H
OEt OEt 2 ) C H 3I 5. Propyl hexanoate is an ester that mimics the flavor of blackberry. Write the correct structure
for this compound and give the carboxylic acid and alcohol necessary to produce it through
Fischer esterification. 6. Synthesize the molecule on the left starting with the molecule on the right. You can use any
organic/inorganic reagents. (Should take 3 steps)
O
H3C N
H OCH 3 H3C OCH 3 7. Draw a stepwise mechanism for the following reaction.
O
O
O N aO Et
E tO H HO OEt

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SuperTutor
(15)
Status NEW Posted 27 Apr 2017 02:04 AM My Price 5.00

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