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(a)
Interpretation:
Starting material required for the formation of the given compound by Dieckmann condensation is to be stated.
Concept Introduction:
Dieckmann condensation is the intramolecular Claisen condensation that results in the formation of five or six membered rings. In this reaction, one full equivalent of base is required to drag the reaction towards completion.
(b)
Interpretation:
Starting material required for the formation of the given compound by Dieckmann condensation is to be stated.
Concept Introduction:
Dieckmann condensation is the intramolecular Claisen condensation that results in the formation of five or six membered rings. In this reaction one full equivalent of base is required to drag the reaction towards completion.
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Chapter 22 Solutions
EBK ORGANIC CHEMISTRY
- Outline a synthesis of each of the following compounds from isopropyl alcohol. A compound prepared in one part can be used as a reactant in another. (Hint: which of the compounds shown can serve as a starting material to all others?)arrow_forward(A) Provide the major organic product for the reaction below (B) Would the product be optically active of optically in active?arrow_forwardGive the reagents suitable for effecting each of the following reactions, and write the principal products. If an ortho, para mixture is expected, show both. If the meta isomer is the expected major product, wrote only that isomer. Nitration of benzene Nitration of the product of (a) Bromination of toluene Bromination of (trifluoromethyl)benzene Sulfonation of anisole Sulfonation of acetanilide (C6H5NHCOCH3) Chlorination of bromobenzene Friedel-Crafts alkylation of anisole with benzyl chloride Friedel-Crafts acylation of benzene with benzoyl chloride Nitration of the product of (i) Clemmensen reduction of product from (i) Wolff-Kishner reduction of product from (i)arrow_forward
- (a) Give mechanism of preparation of ethoxy ethane from ethanol.(b) How is toluene obtained from phenol?arrow_forwardWrite the structure of the major organic product formed in the reaction of 1-pentene with each of the following: (a) Hydrogen chloride (b) Dilute sulfuric acid (c) Diborane in diglyme, followed by basic hydrogen peroxide (d) Bromine in carbon tetrachloride (e) Bromine in water (f) Peroxyacetic acid (g) Ozone (h) Product of part (g) treated with zinc and water (i) Product of part (g) treated with dimethyl sulfide (CH3)2Sarrow_forward(3) Starting with 2-methylpropene (isobutylene) and using any other needed reagents, outline a synthesis of each of the following » (a) OH (b)arrow_forward
- don't know Which of the following, when reacted with HCl, would result in the formation of the same major product at both low and high temperatures? (a) (b)arrow_forward18.18 Provide a structural formula for the product from each of the following reactions. (a) (c) (e (1) LDA (2) CH,CH,I NaH CI (b) (d) O. (f Br, CH,CO,H Br, (excess), NaOHarrow_forward(a) Classify the enolates to 'kinetic' and 'thermodynamic.' (b) Compare the stabilities of two enolates. (c) Describe the three reaction conditions of 'thermodynamic enolates' and explain why.arrow_forward
- 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_forwardOutline syntheses of each of the following from aniline and any necessary organic or inorganic reagents. (a) p-Nitroaniline (b) 2,4-Dinitroaniline (c) p-Aminoacetanilidearrow_forwardPropose a synthesis for each of the following compounds. (a) OH (b) (c)arrow_forward
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