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(i) Show how the following can be prepared from the starting material: [6 marks] a) b)...
1) How can the following product be prepared using ethyne as the
starting material?
62. Show how the following compound can be synthesized from the given starting material. (Hint: Start with an acetoacetic ester.) OH sodinto antes O bio boogie COOH 63. Show how the following compounds can be prepared from cyclohexanone: CCH2CH2CH3 wolle CH CH.CH CH CCH boob TISU shots 0551 ollor O CH2 OH
1) How can the following product be prepared using ethyne as the starting material? 2) What are the products of the following reactions? (6 points) Cla excess b) H2 Lindlar catalyst c) HBO excess
wing 6 Show how the following compounds could be prepared from the given starting materials. You can use any necessary organic or inorganic reagents. NHCH -NH; CH OH OH ible or an inyersible reaction? Explain.
Q 2. Show how each of the following compounds can be prepared from the given starting materials using retrosynthetic analysis approach. a) Available starting materials (source of carbon) H CH3NO2 Available starting materials (source of carbon)
5. (30 marks) Propose how the following molecules can be synthesized from the illustrated starting material. Draw all reactants, reagents, catalysts, and other components necessary for each step. You are limited to using the reactions learned in this course. steps 0 HON
Q 2. Show how each of the following compounds can be prepared from the given starting materials using retrosynthetic analysis approach. O CO2Et *CO2Et Н
Q 1. Show how each of the following compounds can be prepared from the given starting materials using retrosynthetic analysis approach. Available starting materials (source of carbon) a) .CO2Et CO2Et Ph Br CO2 or NaCN EtOH Ph CO2Et
Q 3. Show how each of the following compounds can be prepared from the given starting materials using retrosynthetic analysis approach. a) Available starting materials (source of carbon) CO2Et OH OPMB TM BrCH2COOEt OH OH p-methoxybenzaldehyde
Show how you would make the following alkyne from the provided starting material. HO starting material product