(4) (a) The synthesis of the product is shown below:

(b)
(4) Propose a synthesis of the target molecule from the indicated starting materials. Cau- tion! Long,...
(4) Propose a synthesis of the target molecule from the indicated starting materials. Cau- tion! Long, inefficient syntheses are penalized. لل H NH2 (a) [12 points] CH (b) [12 points] 2 Ph Ph Ph CH acetophenone All of the carbons in the target must come from acetophenone.
(3) Propose an efficient synthesis of target molecules (a) and (b). All of the carbons in the targets must come from one of the compounds below. Draw the structure of the product formed after each synthetic step. Do not write mechanisms. Note Points off for long, inefficient syntheses Нас CH3I OEt OEt H-C CH methyl iodide ethyl 2-butenoate ethyl acetoacetate he ptane-2,6-dione H2C он CH
1. Propose a synthesis for either of the following molecules using the indicated starting materials. You don't have to use all of them, but all your carbon atoms must come from them alone. (Hint: A five membered lactone will spontaneously form from the correct hydroxy acid.) If you provide syntheses for both a 10 pt bonus will be awarded. OH со, КCN Br н Н NO, Br NH2 2. Propose a mechanism to account for the following reaction. Used the...
Provide multistep synthesis for the following target molecule from
the indicated starting materials
NH2 from 0 from NO2 Br
Synthesize the target molecule (the one at the top) from each of
the two starting materials (each starting material is a separate
synthesis). Any additional sources of structural carbons can only
have 1 C atom at a time.
но. он ОН NH о
. Propose a synthesis of the molecule below starting from acetone and using any reagent you like that contributes fewer than 4 carbons to the final product (5 points) Retrosynthesis HO O 04
3. Propose a synthesis of the molecule below starting from acetone and using any reagent you like that contributes fewer than 4 carbons to the final product (5 points) но
3. Propose a synthesis of the molecule below starting from acetone and using any reagent you like that contributes fewer than 4 carbons to the final product (5 points) i =
Propose a synthesis of the target compound from the indicated starting material. (Answer any two problems for full credit)
3. Propose a synthesis of the molecule below starting from acetone and using any reagent you like that contributes fewer than 4 carbons to the final product (5 points) HO