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(a)
Interpretation:
The mechanism of reaction between trichloromethane and sodium iodide is to be predicted.
Concept introduction:
The replacement or substitution of one
(b)
Interpretation:
The mechanism of reaction between benzyl chloride, cyclohexene and organolithium is to be predicted.
Concept introduction:
Alkyl lithium is an organolithium reagent. It contains a carbon-lithium bond. It is used in
A carbon atom which contains one lone pair of electron and two atoms attached to it is known as carbene. They are highly reactive species.
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Chapter 9 Solutions
EBK ORGANIC CHEMISTRY
- (a) What reagents would be used for the conversion of alkene A into the target? (b) What reaction is involved in the conversion of alcohol B into alkene A? Suggest a reagent that might affect this transformation. (c) Give a retrosynthetic analysis showing the disconnection of B, the synthons produced that lead to the synthetic equivalents given (draw their structures).arrow_forwardAnswer BOTH parts of this question. (a) Briefly explain the origin of amine basicity. Using resonance structures explain why aniline is a weaker base than methylamine. (b) Draw the structure of compound X and provide a curly arrow mechanism for the reduction in Scheme 1. X 1. NaBH4 2. H₂O Scheme 1 OHarrow_forwardShow how you can synthesize the following compounds starting with benzene, toluene, and alcohols containing no morethan four carbon atoms as your organic starting materials. Assume that para is the major product (and separable fromortho) in ortho, para mixtures.(a) pentan-1-amine (b) N-methylbutan-1-aminearrow_forward
- (b) Suggest a reasonable biosynthesis for the naturally occurring alkaloid coniine (isolated from hemlock), starting from octanoic acid. Coniinearrow_forward(a) Which is more reactive towards Electrophilic aromatic substitution (EAS)? (b) Which of the following is a a meta-substituted compound? (c) Which is the least reactive towards Electrophilic aromatic substitution (EAS)? (d) Which is an ortho-substituted compound?arrow_forwardGive the clear handwritten answer and give the mechanism of given bleow reactionsarrow_forward
- (a) Discuss the aromaticity of a six membered heterocyclic compound which is weak base in nature. (b) Discuss about the stability factors of the reaction intermediates, which involved in a name reaction "Wittig rearrangement".arrow_forward(a) Which is the correct structure of the alkyl halide substrate? (b) Which is the correct structure of the nucleophile?arrow_forwardthe following reaction scheme leads to the formation of compound B. give the structure of the final products and of the intermediate product A and justify, using the mechanism, the formation of thesearrow_forward
- The saccharide shown here is present in some plant-derived foods. (a) Indicate the anomeric carbon atom(s) in this structure by drawing a circle around the atom(s) or by drawing an arrow pointing to the atom(s). (b) Would this saccharide give a positive result with Benedict’s reagent? Why or why not? (c) Would this saccharide give a positive result with Barfoed’s reagent? Why or why not? (d) Would this saccharide give a positive result with Seliwanoff’s reagent? Why or why not? (e) In a separate set of experiments, the saccharide solution was treated with a reagent that breaks glycosidic bonds. After this treatment, would any of the three assays give different results? Be sure to indicate which assay results would be different and give a reason.arrow_forward(b) Analyze the major monosubstitution product from the Friedel-Crafts reaction of benzene with 1-chloro-2-methylpropane in the presence of AlCl3. Show your analysis using a mechanistic explanation. (c) Identify the carboxylic acid chloride that might be used in a Friedel-Crafts acylation reaction to prepare each of the following acylbenzene. or (i) Oarrow_forward(a) (From benzene)arrow_forward
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