Concept explainers
(a)
Interpretation:
The structure of the major product formed in the
Concept introduction:
Alkene metathesis reactions are the reactions in which two alkene are broken at their double bonds and are rearranged to give the new alkene products. Grubb’s catalyst is used to catalyse the alkene metathesis reaction.
(b)
Interpretation:
The structure of the major product formed in the alkene metathesis reaction is to be stated.
Concept introduction:
Alkene metathesis reactions are the reactions in which two alkene are broken at their double bonds and are rearranged to give the new alkene products. Grubb’s catalyst is used to catalyse the alkene metathesis reaction.
(c)
Interpretation:
The structure of the major product formed in the alkene metathesis reaction is to be stated.
Concept introduction:
Alkene metathesis reactions are the reactions in which two alkene are broken at their bonds and are rearranged to give the new alkene products. Grubb’s catalyst is used to catalyse the alkene metathesis reaction.
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Organic Chemistry
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- Give the structure of the product formed on reaction of ethyl acetoacetate with each of the following: (a) 1-Bromopentane and sodium ethoxide (b) Saponification (basic hydrolysis) and decarboxylation of the product in part (a) (c) Methyl iodide and the product in part (a) treated with sodium ethoxide (d) Saponification and decarboxylation of the product in part (c) (e) 1-Bromo-3-chloropropane and one equivalent of sodium ethoxide (f) Product in part (e) treated with a second equivalent of sodium ethoxide (g) Saponification and decarboxylation of the product in part (f) (h) Phenyl vinyl ketone and sodium ethoxide (i) Saponification and decarboxylation of the product in part (h)arrow_forward(b) A student wanted to synthesize methyl tert-butyl ether. He attempted the synthesis by adding sodium methoxide to tert-butyl chloride, but he obtained none of the desired product (1) (ii) Use an equation to show the product formed in this reaction Propose a suitable William ether synthetic route for methyl tert-butyl ether tach l.arrow_forwardGive reasons :(a) n-Butyl bromide has higher boiling point than f-butyl bromide.(b) Racemic mixture is optically inactive.(c) The presence of nitro group (-NO2) at o/p positions increases the reactivity of haloarenes towards nucleophilic substitution reactions.arrow_forward
- Write structural formulas for the cyclohexadienyl cations formed from aniline (C6H5NH2) during(a) Ortho bromination (four resonance structures)(b) Meta bromination (three resonance structures)(c) Para bromination (four resonance structures)arrow_forward(a) What is the major alkene formed when A is dehydrated with HS2O4? (b) What is the major alkene formed when A is treated with POCl3 and pyridine? Explain why the major product is different in these reactions.arrow_forwardConsider the following structural formulas. OH H;C CH3 CH3 F G H (a) Which of the compounds F-l can easily be subjected to an elimination reaction? (b) Provide the reaction mechanism for all eliminations under (a).arrow_forward
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