Concept explainers
(a)
Interpretation:
The product of the given reduction reaction including stereochemistry is to be shown.
Concept Introduction:
The compound
Answer:
The product of the given reduction reaction including stereochemistry is shown below.
Explanation:
The enzyme
Figure 1
Conclusion:
The product formed in the given reaction including stereochemistry is shown in Figure 1.
(b)
Interpretation:
The relative positions of
Concept Introduction:
The compound
(c)
Interpretation:
The role of the side chain hydroxyl group of tyrosine and serine in this reaction is to be stated.
Concept Introduction:
The compound
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Organic Chemistry Study Guide and Solutions
- (a) Draw the structures of the following compounds :(i) 4-Chloropentan-2-one (ii) p-Nitropropiophenone(b) Give tests to distinguish between the following pairs of compounds :(i) Ethanal and Propanal (ii) Phenol and Benzoic acid(iii) Benzaldehyde and Acetophenonearrow_forward(a) Propose a mechanism for the conversion of cis-hex-3-ene to the epoxide (3,4-epoxyhexane)and the ring-opening reaction to give the glycol, hexane-3,4-diol. In your mechanism, payparticular attention to the stereochemistry of the intermediates and products.(b) Repeat part (a) for trans-hex-3-ene. Compare the products obtained from cis- andtrans-hex-3-ene. Is this reaction sequence stereospecific?arrow_forwardGive the products for each of the following reactions. (a) (b) (c) + H₂cod OCH3 о || -COCH 3arrow_forward
- Following are the steps in the industrial synthesis of glycerin. Provide structures for all intermediate compounds (AD) and describe the type of mechanism by which each is formed.arrow_forwardCompound P, C4H9CI, reacts by heating with reagents KOH in ethanol to form Q (C4H8). The compound Q then undergoes acid catalysed hydration to form R (CAH100). R does not react with acidified warm sodium dichromate. (a) Determine the structure of P,Q and R (b) Give a reason why R does not react with acidified warm sodium dichromate. (c) Write chemical equation for the conversion of P to Q. (d) Draw a structural isomer of P.arrow_forward6) Which is the organic product for the following reaction? (a) (b) (c) (d) LOH OH COOH OH OH COOH COOH KMnO4 H₂O (e) None of the above products will be formedarrow_forward
- Deduce the structure of each compound from the information given. All unknowns in this problem have molecularformula C8H12.(a) Upon catalytic hydrogenation, unknown W gives cyclooctane. Ozonolysis of W, followed by reduction with dimethylsulfide, gives octanedioic acid, HOOC¬(CH2)6¬COOH. Draw the structure of W.(b) Upon catalytic hydrogenation, unknown X gives cyclooctane. Ozonolysis of X, followed by reduction with dimethylsulfide, gives two equivalents of butanedial, O“CH¬CH2CH2¬CH“O. Draw the structure of X.(c) Upon catalytic hydrogenation, unknown Y gives cyclooctane. Ozonolysis of Y, followed by reduction with dimethylsulfide, gives a three-carbon dialdehyde and a five-carbon dialdehyde. Draw the structure of Y.*(d) Upon catalytic hydrogenation, unknown Z gives cis-bicyclo[4.2.0]octane. Ozonolysis of Z, followed by reductionwith dimethyl sulfide, gives a cyclobutane with a three-carbon aldehyde (¬CH2¬CH2¬CHO) group on C1 and aone-carbon aldehyde (¬CHO) group on C2. Draw the…arrow_forwardWrite the main products when (i) n-butyl chloride is treated with alcoholic KOH. (ii) 2, 4, 6-trinitrochlorobenzene is subjected to hydrolysis. (iii) methyl chloride is treated with AgCN.arrow_forwardDraw the product of the following Lewis acid-base reaction. Discuss whether the product will retain its monomeric form or if it will dimerise and why. (c) Ph Toluene AICI CHO Pharrow_forward
- (a) Write a suitable chemical equation to complete each of the following transformations :(i) Butan-l-ol to butanoic acid(it) 4-Methylacetophenone to benzene-1, 4-dicarboxylic acid(b) An organic compound with molecular formula C9H10O forms 2, 4-DNP derivative, reduces Tollen’sreagent and undergoes Cannizzaro’s reaction. On vigorous oxidation it gives 1, 2-benzenedicarboxylic acid. Identify the compound.arrow_forwardThe name of the parent six-membered sulfur-containing heterocycle is thiane. It is numbered beginning at sulfur. Multiple incorporation of sulfur in the ring is indicated by the prefixes di-, tri-, and so on. (a) How many methyl-substituted thianes are there? Which ones are chiral? (b) Write structural formulas for 1,4-dithiane and 1,3,5-trithiane. (c) Which dithiane isomer (1,2-, 1,3-, or 1,4-) is a disulfide?(d) Draw the two most stable conformations of the sulfoxide derived from thiane.arrow_forwardn-Pentanol (CH3CH2CH2CH2CH2OH) and 2-methylbutan-2-ol (CH3CH2C(CH3)2OH) are converted to their corresponding alkyl chorides on being reacted with hydrogen chloride. (a) Write out an equation for each reaction (b) Assign each the appropriate symbol (SN1 or SN2) (c) Write a suitable mechanism for each reactionarrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning