Concept explainers
Interpretation:
The structures of the four constitutional isomers of molecular formula
Concept Introduction:
Organic compounds are the compounds which are mainly composed C and H atoms. The branch of chemistry that deals with preparation, reactions, and properties of organic compounds is said to be
Constitutional isomers can be defined as the pair of molecules with the same molecular formula but different structural formula. Stereoisomers have same molecular and structural formula but they have different arrangement of atoms in the three-dimensional space.
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EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- Consider the following pairs of structures. Identify the relationship between them by describing them as representing enantiomers, diastereomers, constitutional isomers, or two molecules of the same compound. H H3C" CH3 Br Hitm Br enantiomers constitutional isomers diastereomers H B H F F two molecules of the same compound CH3 H Ba CH3arrow_forwardHighlight the chirality (or stereogenic) center(s) in the given compound. A compound may have one or more stereogenic centers. msor N H OH Xarrow_forwardEphedrine (2‑methylamino‑1‑phenylpropanol) is a drug that is used as a decongestant and bronchodilator to treat, among other conditions, the congestion due to the common cold. Place an asterisk (*) next to the chirality center(s) in the ephedrine molecule.arrow_forward
- 8. Assign each chiral carbon as R or S in compound-A. Draw the mirror image of compound-A and assign configuration to each chiral carbon. (note that the dotted line represents the mirror). H₂N S OH Compound A CH3 CH3 mirror CH3 CH 3 Mmok NHZarrow_forwardA compound that contains two different stereocenters can exist as four optically active stereoisomers. The flying wedge representations of the four stereoisomers are given below: ÇOOH ÇOOH ÇOOH ÇOOH H-C-OH HO-C-H H-C-OH HO-C-H H-C-OH HO-C-H HO-C-H H-C-OH ČH3 ČH3 ČH3 ČH3 II II IV What is the relationship between: 96.I and II? 97. I and IV? 98. I and III? II and III? III and IV? II and IV?arrow_forwardAssign an IUPAC name for the following compound: Configuration of chiral centers: O 1-methylcyclohexanol O2-methylcyclohexanol O 1.2-methylcyclohexanol • 1-methylcyclohexol OHarrow_forward
- A compound that contains two different stereocenters can exist as four optically active stereoisomers. The flying wedge representations of the four stereoisomers are given below: ÇOOH COOH ÇOOH COOH H-C-OH HO-C-H H-C-OH HO-C-H H-C-OH HO-C-H HO-C-H H-C-OH CH3 ČH3 ČH3 ČH3 II IV What is the relationship between: III and IV? II and IV? П аnd III) 96.I and II? 97.I and IV? 98.I and III?arrow_forwardAlcohol groups can be chiral. Identify the correct label for the stereochemical center bonded to the hydroxyl group. ОН A) R B) S C) E D) Z E) This compound is not chiral.arrow_forwardConsider the compound below. 2 NH₂ O Cl Part 1 of 3 Draw the structure showing stereochemistry, in which carbon 1 has R configuration and carbon 2 has S configuration. Part 2 of 3 Click and drag to start drawing a structure. CC Click and drag to start drawing a structure. X C C 3 Draw the structure showing stereochemistry, in which carbon 1 has S configuration and carbon 2 has R configuration. X Ś J C c+ C C c+arrow_forward
- Ephedrine, a stimulant and illegal drug is an optically active compound with two chiral centers. OH NHCH3 CH3 Ephedrine a. In the structure of ephedrine on the answer sheet, mark each chiral center with an asterisk. b. How many stereoisomer/s does ephedrine have? Show necessary solutions on the answer sheet. c. Compound EPS is a stereoisomer of ephedrine. Determine the absolute configuration (R or S) at carbons A and B of compound EPS.arrow_forward7 For the following compound with two chiral centers assign 'R' and 'S' configurations. Draw enantiomers and diastereomers for the following compound? How many enantiomers and diastereomers are possible. Assign (R) and (S) configurations for all the structures. What are diastereomers? COOH H CI € Br -H CH3arrow_forwardFollowing is a structural formula for cortisol (hydrocortisone). Draw a stereo- representation of this molecule showing the conformations of the five- and six-membered rings. CH,OH C=0 CH OH HO H3C H Cortisol (Hydrocortisone)arrow_forward
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