
(a)
Interpretation: The acetylide anion and
Concept introduction: The replacement or substitution of one
(b)
Interpretation: The acetylide anion and alkyl halide that are used to prepare the given alkyne are to be predicted. All the possible routes that are used to prepare the given alkyne are to be shown.
Concept introduction: The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction. The nucleophilic reaction that consists of bimolecular as well as bond-making and bond-breaking steps is termed as
(c)
Interpretation: The acetylide anion and alkyl halide that are used to prepare the given alkyne are to be predicted. All the possible routes that are used to prepare the given alkyne are to be shown.
Concept introduction: The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction. The nucleophilic reaction that consists of bimolecular as well as bond-making and bond-breaking steps is termed as

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Chapter 11 Solutions
Organic Chemistry
- Consider the reaction below to answer the following questions: 847 Acetoacetic ester can be prepared by the Claisen self-condensation reaction of ethyl acetate. H₁C 0 H 0 IL 유 || OCH2CH3 1. NaOEt, EtOH C 2. H₂O H3C CH₂ Cold not tobizmo. S OCH2CH3 A. Write the complete stepwise mechanism for this reaction. Show all electron flow with arrows and draw all intermediate structures. B. Ethyl acetate can be prepared from ethanol as the only organic starting material. Show all reagents and structures for all intermediates in this preparation. C. Give the structures of the ester precursors for the following Claisen condensation product and formulate the reaction. ou OELarrow_forwardA. What is the correct structure for a-D-glucopyranose? CH₂OH a HO HO- OH b HO HO- OH HOH₂C OH OH OH CH₂OH HO C. HO HO- OH OH CH₂OH OH OH B. Draw structures for the products you would expect to obtain from reaction of B-D-galactopyranose with each of the following reagents. Be sure to include all relevant stereochemistry. [FOUR only] A. CH, Ag₂O B. warm dilute HNO3 C. (CH3CO)20, pryridine D. NaBH in H₂O E. CH₂OH, HCI F. Br₂, H₂O HO CH₂OH HO- OH OH B-D-galactopyranosearrow_forwardGive the major organic product(s) for each of the following reactions or reaction sequences. CH₂CN 5% NaOEt, EIOH سجد سی . بلی H 1. NaOCH, CH,OH CH3 OCH3 2 H₂O*arrow_forward
- Draw the structures for each of the intermediates in the boxes provided for the synthesis below. 004 HNO F HO CHCO) D Dydre R.SO. 1.1 NO fe HO H.SO. 2. CC1 NOH HO MCL HNO, H.50.arrow_forward. Each of the following compounds can be prepared by a mixed aldol condensation reaction. Give the Cructures of the aldehyde and/or ketone precursors for each aldol product and formulate the reaction. 0 CH=CHCCH 3. Ph 1arrow_forward. Consider the reaction below to answer the following question: H NaOEt H BOH بلی H + H₂O A. Write the complete stepwise mechanism for the reaction above. Show all intermediate structures and all electron flow with arrows. B. This reaction is an example of: an intramolecular aldol condensation a. an intramolecular Claisen condensation b. C. d. a Robinson annulation a Michael reaction C. The product of this reaction is: a. b. C. d. a ẞ. y-unsaturated aldehyde an a, B-unsaturated ketone an a, B-unsaturated aldehyde an enolarrow_forward
- Classify each of the following nitrogen atoms in the following compounds as primary, secondary, tiary, or quaternary. A. B. C. CH3 HO-CHCHNHCH3 ephedrine CH CHCH3 amphetamine NH₂ D. CF H3C CH3 mapiquat chloride HO fexofenadine OH H3C CH3 CO₂Harrow_forward.. Name each of the following compounds by IUPAC rules. [three Only] A. 0 B. C. Cl NH₂ OCH N CH3 NHCH2CH3 D. CH O₁₂N NH₂arrow_forwardDraw the structure of the aldol self condensation product for each of the following compounds if a compound does not under go aldol self condensation explain whyarrow_forward
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