4. For the reaction provided below, give strutures of product C and by-product D. If dimethylamine was used instead of methylamine, B, an enamine would be formed on reaction with A - in the area provided on the right draw this: H2N D В A
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- 2 Question: a) Show the mechanism of synthesis of an amide from an ester and a primary amine: b) The ester responsible for the aroma of the rum has the following structural formula: CH3 H-C-CH2-0-C-CH3 || CH3 Write down the complete chemical reaction (detailed mechanism) that makes it possible to obtain the ester described above, starting from the carboxylic acid (use SOCI, to obtain the acyl chloride).Q4. Nucleophilic attack at carbonyl with loss of carbonyl oxygen. For this question, answer AT LEAST FIVE of the SIX parts. (a) For the FOUR reactions listed below, draw structures of the major organic products. (i) (ii) (iii) HO OH ●... NMe₂NH₂ cat. dry HCI H Ph₂pⓇ THFA Moving to another question will save this response. Question 3 Which of the following statements about ethanethiol (CH3CH2SH) is(are) correct? O Ethanethiol will be effectively converted into its conjugate base through a reaction with sodium hydroxide (NAOH) O Ethanethiol is a good nucleophile which could react with a 1° alkyl halide in an SN2 reaction to produce a sulfide (thioether) O Ethanethiol can undergo oxidation by reaction with KMNO4 to produce a sulfonic acid O Statements 1 and 2 are correct O All of the statements are correct A Moving to another question will save this response. 080 acer FS F6
- 1. Show the products of the reductive amination reactions below; a) Acetone + NH3, followed by H2/Ni2 b) Acetone + CH3NH2, followed by LIBH3CN c) Acetone + (CH3)2NH, followed by LIBH3CN 2. Write the reaction and the names of the products formed in the reaction of aniline and N-methylaniline with: a) NaNO3+HCI followed by CuClI b) NaNO3+HCI followed by Cu20, Cu2*, H2051. Which is NOT a valid resonance structure for the conjugate base of this molecule? (A) (C) S (A) OEt O :O: : OEt HBr ROOR OCH 3 (B) 52. What is the major product of this reaction sequence? O PPh3 (D) 11 Mg ether (B) de OEt :0 aom Сосно LOCH 3 53. Which reagent is necessary for this transformation? (D) H OEt H OEt CH31 PPh3 ACS 56.a) How you prepare (drawing below) using appropriate carboxylic acid and amines ? b) convert c) Write the product and give the mechanism of this reaction
- Provide the missing reagent indicated by "???" CI ??? OH (+ other products)( -NH NH Identify the Bronsted base in the following reaction of I and II shown below. НО 11 CF₂ CF₁ A) compound I B) compound IISynthesize Chloramphenicol from Toluene or Benzaldehyde. Draw and explain step by step please.(p.s: if you can, can you write what the reagents does?) (Drug Chemistry)
- Self Study/Amines-Reactions Name: 1) Show how m-toluidine (shown on the right) can be converterd to the following compounds using any neccesary reagents. (You can use a previously synthesized compound to carry on). H3C. NH2 a) H3C CN m-toluonitrile H3C. b) CH,NH2 H3C. m-iodotoluene OH d) HC. m-cresolDraw the structure of the organic product that is formed when the compound shown below is treated with the following reagents: 1) TsCl, pyridine; 2) NaCN. Interactive 3D display mode H₂Cl OH Draw the molecule on the canyas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single beQ2Show why the OH functional group, of phenol below, is ortho directing using curly arrows to show the formation of each of the four resonance structures A, B, C and D. Draw all the resonance structures A through D and explain why one resonance structure is more favourable than the other three in directing the electrophile (E*) ortho to the OH functional group.