(a)
Interpretation:
An explanation as to why the given compound is chiral is to stated.
Concept introduction:
Chiral compounds are those whose mirror images are not superimposable to each other. Enantiomers of the chiral compounds are the mirror image of each other. A compound can be chiral due to the presence of an asymmetric carbon or the chiral axis.
(b)
Interpretation:
An explanation as to why the given compound is chiral and it racemizes when heated is to stated.
Concept introduction:
Chiral compounds are those whose mirror images are not superimposable to each other. Enantiomers of the chiral compounds are the mirror image of each other. A compound can be chiral due to the presence of an asymmetric carbon or the chiral axis.
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EBK ORGANIC CHEMISTRY
- (a) Write the structures of the following compounds and mark them as chiral or achiral. 4 (i) 2-Bromopentane (ii) 3-Bromopentane (iii) 1-Bromo-2-methylbutane (iv) 2-Chloro-3-methylbutane (b) Identify the asymmetric carbon in the chiral compounds. (c) Write the structure of the other enantiomer of the chiral compounds.arrow_forward1. Briefly define the following terms (b) enantiomers. (d) diastereomers. (e) meso-compound 2. Predict the product(s) for the following reactions: (a) (CH3)2CHCH₂CH₂ CH NaBH4 CH3CH₂OHarrow_forwardWhich is the enantiomer of this molecule? NH2 (A) (C) B NH2 デ NH2 H- さ NH, (B) (D) H2N- Harrow_forward
- a)Draw all other stereoisomers of the molecule, labelling meso forms (if any), and assign descriptors to chiral carbon atoms. (b) Including molecule, label pairs of enantiomers and pairs of diastereomers. (c) If you were to distill a mixture of all the isomers, how many fractions could be obtained, and what would in each fraction?arrow_forwardWhich one of the following stereoisomers is not chiral? (a) (b) (a) 1 (b) 2 10. What is the index of hydrogen deficiency of this compound? (c) 3 O (c) (d) 4 A (d) all are chiralarrow_forwardCalculate the degree of unsaturation in each of the following formulas (a) Cholesterol, C27H46o (b) DDT, C14HgC15 (c) Prostaglandin E1, C2oH3405 (d) Caffeine, C8H10N402 (e) Cortisone, C21H28O5 (f) Atropine, C17H23NO3arrow_forward
- (a) Identify type of molecules either chiral, achiral, or meso for each compound shown below and (b) Indicate the number of chiral centers in each molecule.arrow_forward5:51 Draw examples of the following: (a) A meso compound with the formula C8H18 (b) A meso compound with the formula C9H20 (c) A compound with two chirality centers, one R and the other Sarrow_forwardcould you identify C?arrow_forward
- Which of the following compounds are capable of being resolved into enantiomers?(a) N-ethyl-N-methylaniline (b) 2-methylpiperidine (c) 1-methylpiperidine (d) 1,2,2-trimethylaziridinearrow_forwardProvide an example of a molecule that has 4 chirality centres, but does not have 16 stereoisomers. Why doesn’t this molecule have 2n stereoisomers? Explain.arrow_forwardDraw the structures of the following.arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning