2. i) Circle each stereogenic unit in the Structure provided and write its label directlybelow the unit (alkene → (Z) or (E); chiral center → (R) or (S); substituted cycloalkanering lacking chiral centers → cis or trans).ii) Write C in the 1st box if the structure is Chiral (has an enantiomer) or A if it is Achiral.iii) In the 2nd box write the # of diastereomers of the structure provided.Structure (circle and label)OMeChiral or achiral# of DiastereomersLABELSOH

The name of the given structure is (2S,3R,E)-3-methoxyhex-4-en-2-ol.It is chiral and therefore we…

Answered: 2. i) Circle each stereogenic unit in…

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter23: Amines

Section: Chapter Questions

Problem 23.22P

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4. - Determine the structural relationship between the compounds in each of the pairs that follow. They may be unrelated, identical (the same compound), constitutional isomers, diastereoisomers, enantiomers? - Identify the optically active (chiral) compounds and any meso compounds. - Assign a configuration (R or S) to all stereocenters. - Name all compounds so that the name reflects the structure unambiguously. a) b) c) d) e) f) H- HO- CHO H3C -NH₂ H- -H H- CH2OH H CH3 CH3 H Ph H CH3 H H CI Ph H H CI CH3 CH₂OH -OH -NH₂ CI H H CI & t OH CHO H3C H OH O-CH3 oma O-CH3 H3C OH
Draw a structural formula for trans-1-bromo-3-isopropylcyclobutane. • Show stereochemistry only if given in the name. • Include H atoms at chiral centers only. • If a group is achiral, do not use wedged or hashed bonds on it. • In cases where there is more than one answer, just draw one.
Draw a structural formula of the S configuration of the compound shown below. CH₂CI [Referer • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. •If a group is achiral, do not use wedged or hashed bonds on it. n ? ChemDoodle
(v) Identify every chiral center in cholesterol (below) with an asterisk. HO (vi) Draw an energy vs. dihedral angle diagram that represents all the conformations of butane starting from the anti-conformation. (vii) Draw both chair conformations for the compound shown below using the templates provided. Circle the chair conformation that is lowest in energy. Br (viii) Draw a chair conformation that meets the following criteria. Axial chlorine at C5 Equatorial methyl at C4 Bromine on C2 that is cis to the chlorine 6 2 5 3 4
Solve the first or second question
Does methylcyclopentane have a stereogenic center?
Using a planar pentagon representation for the cyclopentane ring, draw structural formula for trans-1,2-dimethylcyclopentane. • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. • In cases where there is more than one answer, just draw one. • Do not include lone pairs in your answer. They will not be considered in the grading. opy aste C. O O O- [* ChemDoodle I...
I'm confused as to why the chiral centers are the was they are. I understand that the horizontal lines are wedged and vertical are dashed. Wouldn't the first priority be the carboxylic acid, then alcohol, the carbon, and then the hydrogen? The book is saying that one method is to keep two of the straight lines and pick one group to be dashed and one to be wedged. Then switch the last priority group (H) with whatever group you chose to be on the dash. Whatever configuration you get, make it the opposite since you switched groups. And when I use this method I end up getting S when the top one should be R.
Draw a structural formula of the SR configuration of the compound shown below. HO CH3 S -NHCH3 R H3C ephedrine • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. • If a group is achiral, do not use wedged or hashed bonds on it. * #[ ] در ?
Cycloheptatriene (shown below) is non-aromatic because it … (explain your answer) A) does not have 4n + 2 pi electrons. B) is alicyclic. C) is not fully conjugated. D) contains more than 6 carbon atoms
m/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take M : [References] Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers, different conformations of the same compound, or the same conformation of a compound viewed from a different perspective. Note that cis, trans isomers are an example of stereoisomers. HO H3C- LL OH CH2CH3 H3C. CH2CH3 Submit Answer Retry Entire Group 8 more group attempts remaining F3 74 ג " F4 DII FS Cengage Learning | Cengage Technical Support * PrtScn Home F9 F8 F6 F7 * ( & 6 7 8 9 % 45 Λ End F10 C
Draw a structural formula of the S configuration of the compound shown below. • Use the wedge /hash bond tools to indicate stereochemistry where it exists. Include H atoms at chiral centers only. • Ifa group is achiral, do not use wedged or hashed bonds on it. CH3 CH3 CH;CHCHCN CH,CH,CH,CHCH,CH, CH2NH2 Draw a structural formula of the RS configuration of the compound shown below. Use the wedge /hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. If a group is achiral, do not use wedged or hashed bonds on it. ÇI

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