(a)
Interpretation: The synthesis of given compound from aniline as starting material is to be devised.
Concept introduction: The formation of diazonium salt from
(b)
Interpretation: The synthesis of given compound from aniline as starting material is to be devised.
Concept introduction: The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization. The diazonium salts can be converted to aryl halides using cuprous halides or aryl cyanides using cuprous cyanides.
Friedel-Crafts alkylation permits the synthesis of alkylated products by the reaction of arenes with alkyl chlorides in the presence of aluminium chloride (Lewis acid). This alkylation reaction comes under the category of electrophilic aromatic substitution.
(c)
Interpretation: The synthesis of given compound from aniline as starting material is to be devised.
Concept introduction: The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization. The diazonium salts can be converted to aryl halides using cuprous halides or aryl cyanides using cuprous cyanides.
Diazonium salts form azo compounds with aromatic phenols or aromatic amines.
Friedel-Crafts alkylation permits the synthesis of alkylated products by the reaction of arenes with alkyl chlorides in the presence of aluminium chloride (Lewis acid). This alkylation reaction comes under the category of electrophilic aromatic substitution.
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Chapter 25 Solutions
Organic Chemistry
- Devise a synthesis of each compound from benzene and organic alcohols containing four or fewer carbons. You may also use any required organic or inorganic reagents.arrow_forwardDevise a synthesis of each compound from aniline (C6H5NH2) as startingmaterial.arrow_forwardSynthesize each compound from cyclohexanone and organic halides having ≤ 4 C's. You may use any other inorganic reagents.arrow_forward
- Draw the product(s) formed when each alkene is treated with either [1] HBr alone; or [2] HBr in the presence of peroxides.arrow_forwardDraw the products formed (including stereoisomers) when each compound is reduced with NaBH4 in CH3OH.arrow_forwardDevise a synthesis of each compound from the indicated starting material, organic compounds containing one or two carbons, and any other required reagents.arrow_forward
- Draw the product formed from the ring-closing metathesis of each compound. Then, devise a synthesis of each metathesis starting material from benzene, alcohols with four or fewer carbons, and any needed organic or inorganic reagents.arrow_forwardDraw the products obtained (including stereochemistry) when each compound is treated with LDA, followed by CH3I.arrow_forwardDraw the products when each pair of compounds is treated with CH3CH2O−, CH3CH2OH in a Robinson annulation reaction.arrow_forward
- Draw the products formed when each alkyne is treated with O3 followed by H2O.arrow_forwardDevise a synthesis of each compound from cyclohexene as the startingmaterial. More than one step is needed.arrow_forwardUsing ethynylcyclohexane as a starting material and any other needed reagents, how can the following compounds be synthesized?arrow_forward
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