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- Provide a common name for this amine. To review, consult the very top of p 107 in Bruice.Draw the possible stereoisomers of 2-methylocta-4,6-dien-1-amine. Note that E-, Z- isomers of each stereoisomer are also possible and would not be accounted for by the formula above; draw any E- or Z- isomers.Aliphatic amines are more basic than ammonia, whereas aromatic amines are less basic than ammonia. Is that true or false?
- For the structure shown at the right, what type of compound is it? A. an ylide B. a nitrile C. a cyanohydrin D. an imine E. None of the selections are correctSHOW COMPLETE SOLUTIONS Q3. Which isolate has A260/280 ratio of above 2.0?Explain the following giving a reason in each case Why is an alkylamine more basic than ammonia? Why do primary amines have higher boiling points than the tertiary amines?
- An aqueous solution of a primary or secondary amine reacts with an acyl chloride to form an amide as the major product. However, if the amine is tertiary, an amide is not formed. What product is formed? Explain.Account for the following :(i) Primary amines (R-NH2) have higher boiling point than tertiary amines (R3N).(ii) Aniline does not undergo Friedel – Crafts reaction.(iii) (CH3)2NH is more basic than (CH3)3N in an aqueous solution.Give reasons :(i) Electrophilic substitution in aromatic amines takes place more readily than benzene.(ii) CH3CONH2 is weaker base than CH3CH2NH2.
- When aspirin is made from acetic acid, the by product is H2O; when acetic anhydride 1Sused, the by-product is acetic acid. When acetyl chloride is used (see above), the by product is HC1. Which route should you use if you were working for Leica, a company that mass produces aspirin on a daily basis? Why?In addition to HCl, what is the product of the reaction of aprimary amine with an acid chloride? Draw the structureof that product and describe its featuresTriethylenemelamine (TEM) is an antitumor agent. Its activity is due to its ability to cross-link DNA. a. Explain why it can be used only under slightly acidic conditions. b. Explain why it can cross-link DNA.