Concept explainers
Interpretation:
The rotational energy barrier on going from the anti conformation to one of the gauche conformations is to be indicated in Figure
Concept introduction:
The rotational energy barrier is the energy difference between the beginning conformation and the highest-energy conformation through which the molecule must pass to arrive at the ending conformation.
In Newman projection formula, when the hydrogen on the front carbon covers the hydrogen on the rear carbon, such conformation is called eclipsed conformation, and when the hydrogen atom on the front carbon bisects a pair of
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- A glycerol molecule and three butyric acid molecules are shown. Delete atoms and add bonds as necessary to form a triacylglycerol (triglyceride). Draw only the triacylglycerol product. Rings Select / || H ||| H C 0 H с с H-C Draw | H H 0- H -H -0-H H H -0 H More O O C- || UI H₂ C H₂ с H₂ | UF C H₂ с H₂ UI с H₂ CH₂ CH₂ CH₂ ✪ Erase 2 Qarrow_forwardShown are two stereo representations of lactic acid. Compare the two structures shown. Determine whether they represent identical molecules or mirror images. identical COOH COOH H" OH CH3 H3C HO Determine the absolute configuration of the two structures. Left: S✔ Right: S An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Harrow_forwardModify the molecule to show the products formed by the hydrolysis of the following triacylglycerol. Add or remove atoms or bonds as needed. Show all hydrogen atoms. Draw Select Rings More Erase H / || 3 |||||| с H₂C HC H₂C 0 n:o UI UP IU CH₂ CH₂ € Q2 Qarrow_forward
- 00 Consider the pair of compounds shown below then select the word or phrase that best describes the relationship between them... H Me Me H. COH and Me H HO, Me OH O A. None of these are accurate. O B. They are diastereoisomers, but differ in their conformations. OC. They are identical, but differ in their conformations. O D. They are enantiomers, but differ in their conformations. O E. They are constitutional isomers that, by definition, differ in their conformations.arrow_forwardSpecify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain| 2. Angle (ring) strain [ 3. Steric (van der Waals) strain H3C ball & stick H CH3 CH3 + labels Harrow_forwardIdentify the highest and lowest energy conformation. If multiple energy conformations are degenerate, choose only one. Et H. Et Et H. H. MeEt Lowest Energy Me Highest Energy Et H. Et H. Et H. H- H. MeEt Highest Energy Me Lowest Energy Et H. Me H. Me C H H H. Me MeEt Highest Energy Lowest Energy Et H. Me Me H. H H Ме MeEt Lowest Energy Highest Energy OA OB ODarrow_forward
- H Br. H₂CH₂C H H Br t-BuOK t-BuOH "Br CH3 H NaCN DMF CH₂CH3 (CH3)3COarrow_forwardDraw a perspective representation of the most stable conformation of 3-methylhexane. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars. 0 + 7 C Akri C H 12D EXP CONT Marvin JS by ChemAxon 1 H CI P UNOS Jarrow_forwardFigone 7-4 애 Hㅇ.. 5 시 9- 3 '애 2 3... 애 "애애 glucose 애 6 5 Ho.... 4 open •애 3 애 요 chain 애애 OH 4 How.k 애 2 애 애 B-glucosearrow_forward
- 3,4-Dimethyl-hept-1-ene has ___________ asymmetric carbons.arrow_forwardHighlight each glycosidic bond in the molecule below. Then answer the questions in the table under the drawing area. X 5 Explanation Ć Check HO–CH, HO. -O H H OH H I HO-CH, H HO HO CH₂ H -0 H kaa H OH H 0 H H H H -O H OH H OH OH O OH HO-CH, o H H List the symbol for each type of glycosidic bond in the molecule above. For example, if there are three a,y (15) glycosidic bonds, write "a,y(1-5)". If there is more than one type of glycosidic bond, separate each symbol with a comma. OH H H Could this molecule be a tiny piece of any of the polymers listed at right? If so, check the box next to each polymer of which this molecule could be a tiny piece. -Ο Η OH OH 0 ODNA ORNA O amylose O glycogen O cellulose O amylopectin a 0.0.... X E Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Actarrow_forwardd Copy the following structures into your notebook and determine the absolute configuration of each chiral center: H3CH₂C F Cl H H MIC1 CH3 ||| BI H₂CH₂C H H I ||||| CH₂CH₂CH3 "III COOH H OH OHarrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning