'N' Br PhCH₂CN tBuOK 'N CN Ph Would you expect 3-bromopyridine to react faster or slower than the above 2-bromopyridine? Briefly explain your reasoning.
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- Treating trimethylamine with 2-chloroethyl acetate gives acetylcholine as its chloride. Acetylcholine is a neurotransmitter. Me;N + CH,COCH,CH,CI C,H1,CINO, Acetylcholine chloride Propose a structural formula for this quaternary ammonium salt and a mechanism for its formation.Predict the major products of bromination of the following compounds Benzoic acid ,benzaldehyde, phenol14. What is the IUPAC name for the following compound? NH- (a) propyl propanamide (b) propyl propanoate (c) N-propylptopanamine. (d) N, N-propylpropanamide (e) N-propxlpropanamide
- Why is methyl salicylate so easily absorbed through the skin?For the following compound, predict three Phase 2 reactions possible at the nucleophilic site in the molecule. You will need to draw the structures for the products rather than naming the products. ОНIdentify 3 structural features of this compound that are important to the medicinal chemist and tell how they might impact binding to a biological receptor
- How will you convert the following :(i) Nitrobenzene into aniline(ii) Ethanoic acid into methanamine(iii) Aniline into N-phenylethanamide(Write the chemical equations involved)How will you prepare N-Ethyl-2-phenylethanamine?6. The reaction between aniline and nitrous acid at low temperature yields A) an N-nitroso amine B) a diazonium salt C) a nitrile D) an amine nitrite salt 7. An organic nitrogen compound, X, gives ammonia on warming with dilute aqueous sodium hydroxide, X could be A) ethanamide B) ethylamine C) phenylamine D) amino ethanoic acid
- POST-LABORATORY QUESTIONS 1. Effective mosquito repellents contain DEET (N,N-diethyl-3-methylbenzamide). If you were to synthesize this compound, with what carboxylic acid and amine would you start? Draw their structures. CH3 DEET O C-N CH₂CH3 CH₂CH3 H3C Metadone 2. Metadone, a narcotic analgesic (shown below as the amine), is dispensed as its hydrochloride salt. Explain the use of the salt rather than the amine. Use the structure shown and convert it to the hydrochloride salt. N-CH3 oggedProvide the systematic name for each of the following isomeric amides with the chemical formula C,HNO. (Be sure to indicate double bond stereochemistry using (E)/(Z) notation. Indicate stereochemistry in rings with the terms cis or trans. It is not necessary to use italics in writing compound names.) H 旧 C ball & stick labels ball & stick labels ball & stick labelsHow would you use the reaction of an amide with lialh4 as the key step in going from bromomocyclohexane to N;N- dimethylaminomethyl cyclohexane?