Concept explainers
(a)
Interpretation:
The conformation of rings A, B, C and D in Cholic acid has to be described.
Concept Introduction:
The conformation structures of six membered rings are given by chair forms. In the chair conformation, all
(b)
Interpretation:
The hydroxyl group present on Ring A, B and C are either axial or equatorial to their respective rings has to be given.
Concept Introduction:
The
(c)
Interpretation:
The methyl group present at the junction of Ring A and Ring B is either axial or equatorial to Ring A and Ring B has to be given.
Concept Introduction:
The
(d)
Interpretation:
The hydrogen present at the junction of Ring A and Ring B is either axial or equatorial to Ring A and Ring B has to be given.
Concept Introduction:
The
(e)
Interpretation:
The methyl group present at the junction of Ring C and Ring D is either axial or equatorial to Ring C has to be given.
Concept Introduction:
The
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
- Draw the most stable conformation of cis-1-tert-butyl-3-ethylcyclohexane. (a) (b) trans-1-tert-butyl-2-methylcyclohexane. (c) trans-1-tert-butyl-3-(1,1-dimethylpropyl)cyclohexane.arrow_forwardWrite the bond line formula of the following compounds: (a) 4-methyl-2-hexene, two geometrical (stereoisomers) isomers (b) 3-fluoro-2-methylheptanol (3-fluoro-2-methylheptan-1-ol) (c) 4-methyl-hex-1-yn-3-olarrow_forwardThe skeletal line formula for a branched alkene is shown below. (i) What is the molecular formula of this compound? (ii) How many carbon atoms are in the longest chain, ignoring the double bond? (iii) What is the longest chain incorporating both carbons of the double bond? (iv) How many substituents are on this chain? (v) Give the IUPAC name for this compound. [6]arrow_forward
- Draw the structural formulas for the following compounds. Include all the bonds to hydrogen atoms. Be sure to answer both parts. (a) 1,2,4-trimethylbenzene: (b) chlorobenzene:arrow_forwardWrite structural formulas for compounds that meet the following descriptions:(a) An alkene, C6H12, that cannot have cis–trans isomersand whose longest chain is 5 carbons long(b) An alkene with a chemical formula of C10H12 that hascis–trans isomers and contains a benzene ring.arrow_forwardTRUE OR FALSE (a) Both ethylene and acetylene are planar molecules. (b) An alkene in which each carbon of the double bond has two different groups bonded to it will show cis-trans isomerism. (c) Cis-trans isomers have the same molecular formula but a different connectivity of their atoms. (d) Cis-2-butene and trans -2-butene can be interconverted by rotation about the carbon–carbon double bond. (e) Cis-trans isomerism is possible only among appropriately substituted alkenes. (f) Both 2-hexene and 3-hexene can exist as pairs of cis-trans isomers. (g) Cyclohexene can exist as a pair of cis-trans isomers. (h) 1-Chloropropene can exist as a pair of cis-trans isomers.arrow_forward
- Please do parts a and Barrow_forward(a) Describe the molecular geometry expected for 1,2,3-butatriene (H2C=C=C=CH2). (b) Two stereoisomers are expected for 2,3,4-hexatriene (CH3CH=C=C=CHCH3). What should be the relationship between these two stereoisomers?arrow_forwardPGF 2a is a prostaglandin, a group of compounds that are responsible for inflammation (Section 19.6). (a) How many tetrahedral stereogenic centers does PGF 2a contain? (b) How many double bonds can exist as cis and trans isomers? (c) Considering both double bonds and tetrahedral stereogenic centers, what is the maximum number of stereoisomers that can exist for PGF20? OH HO -CH₂CH=CH(CH₂)3COOH CH=CHCH(OH)(CH₂)4CH3 PGF₂αarrow_forward
- The heat of combustion of decahydronaphthalene(C10H18) is -6286 kJ/mol. The heat of combustion ofnaphthalene (C10H8) is -5157 kJ/mol. (In both casesCO2(g) and H2O(l) are the products.) Calculate the heat of hydrogenationand the resonance energy of naphthalene.arrow_forwardTrue or false: (a) The C¬C bonds in benzene are all the samelength and correspond to typical single C¬C bond lengths.(b) The C¬C bond in acetylene, HCCH, is longer than theaverage C¬C bond length in benzene.arrow_forwardCircle and name the functional groups:arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning