homework 21_beta_c_o, Exercises of Organic Chemistry

homework twenty one beta carbon

Typology: Exercises

2019/2020

Uploaded on 05/05/2023

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Hmwk Wk 14T Name ___________________________________________ # ______________________
Give the major organic product(s) of the following reactions.
1)
2)
3)
4) Retrosynthesis. Give the methods and reagents to make the product from the starting material. (Four hints are listed
on the next page. Try it first, then look for guidance.) Only submit this first page, one page in your pdf.
CH3
O
O
Na + CH3O-
CH3O
O
Na + CH3O-
CH3
O
OO
HOH, H 3O+
heat
CH3O CH3
O
CH3
O
CH3
pf2

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Hmwk Wk 14T Name ___________________________________________ # ______________________ Give the major organic product(s) of the following reactions.

  1. Retrosynthesis. Give the methods and reagents to make the product from the starting material. (Four hints are listed on the next page. Try it first, then look for guidance.) Only submit this first page, one page in your pdf. H 3 C O O Na

CH 3 O

H 3 C O O Na

CH 3 O

H 3 C O O O HOH, H 3 O

heat H 3 C O CH 3 O

H 3 C

O

CH 3

Hint 1: To start this multistep synthesis, do the Claisen condensation on the starting ester to make a b-dicarbonyl. Hint 2: Then you have acidic H’s that can be removed to yield a nucleophilic a-C:-^. Hint 3: Add the alkyl chains that you need (there are two). Hint 4: And finally make a carboxylic acid that will decarboxylate to give the product.