5. Indicate the reagents that are needed to accomplish the following syntheses. NH2
Give the reagents needed to accomplish the following
transformation.
3. Give the reagents needed to accomplish the following transformation 4.2.
Additional Syntheses Problems for Practice 6. Identify the reagents necessary to accomplish each of the transformations below: CO-O
2. REAGENTS: Provide the reagents needed to accomplish the following transformations. Clearly indicate if you need to use more than one step. (12 pts.) - گره م . = . . - م م ه م . .. 3. MECHANISMS: Provide complete, arrow-pushing mechanisms for each of the reactions shown below. Only TWO of these will be graded but YOU MUST COMPLETE ALL FOUR TO EARN ANY CREDIT! (8 pts.) | مو | (note: only mechanism for step 1) 1....
14. Starting with an appropriate alkyl halide and using any
other needed reagents, outline the syntheses of each of the
following. When alternative possibilities exist for a synthesis,
you should choose the one that gives the better product. Indicate
whether each reaction follows an SN1 or SN2 reaction mechanism.
14. Starting with an appropriate alkyl halide and using any other needed reagents, outline the syntheses of each of the following. When alternative possibilities exist for a synthesis, you should choose...
8. Show how you would accomplish the following syntheses. You may use whatever additional reagents you need. The synthesis should not take more than three or four reactions. At least one of the reactions should come from the aldehydes and ketones chapter. (6 pts) a) CO2H b)
Select the reagents you would use to accomplish the syntheses shown below in no more than the number of steps specified. List the letters of the reagents in the order that they are used; example: fa. Reagents Available a. HBr b. PBr3 C. (CH3CH2CH2CH2)2Culi f. CH31 g. Hg(OAC)2, H2O, THF; then NaBH4 h. Cl2, light d. (CH3)2Culi I. KOH j. NBS (N-bromosuccinimide) e. BH3, THF; then H202, OH - он CH3 Use 2 steps: V - M Use 3 steps:
2. Design multi-step syntheses for TWO of the following targets. Show the reagents needed for each step and the product of each step. Special conditions: You must use cyclopentadiene as your starting material for all syntheses. You may use organic reagents containing 4 or fewer carbons, and any inorganic reagents. For any Diels-Alder reaction that you use (necessary for all targets!), the dienophile must be an a,ß-unsaturated carbonyl compound. Target 1: HO D Target 2: Doe Target 3: ro Target...
Identify the reagents needed
for the following transformations.
Identify the reagents needed for the following transformations. -CH2CH3 ОН OEM NH2 NH2
Supply the needed reagents, in proper order, to
accomplish any SEVEN of these transformations.
1. Reagents (21 points) Supply the needed reagents, in the proper order, to accomplish any SEVEN of these transformations ОН Br он OE о ОН ОН ОН ОН Br ОН ОН НО Н ОН 69 for
Show how you would accomplish the following syntheses. You may use whatever additional reagents you need. HO?,CH, CHO CH,OH CHO CHO H OH CH2Br Ph (d) CH, CH CH CH CH,-C-Ph (f) BrCH,CH,CCH, HC=CCH,CH-CCH, ->