6. The name of the compound at the right representedCH2CH3in a Fischer projection is-A) (R)-3-methylhexaneB) (S)-3-methylhexaneCH 3-HC) (R)-4-methylhexaneD) (S)-4-methylhexaneE) (R)-2-ethylpentaneCH2CH2CH37. The two molecules on the right are-HHHA) enantiomersB) diastereomersC) atropisomersD) structural isomersE) identicalBrBrHBrBrT

Step 1:Ranking order CH3CH2CH2 > CH3CH2 > CH3 Higher the mass, first the rank and so on Iupac…

Answered: 6. The name of the compound at the…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry

Section4.SE: Something Extra

Problem 35AP: A 1, 2-cis disubstituted cyclohexane, such as cis-1, 2-dichlorocyclohexane, must have one group...

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draw the chemical structure (condensed) of the following : I) 3-Chloro-4, 4-dimethyl-1-nonen-6-yne ii) 4-Bromo-3,3-dimethyl-1-Hexen-5-yne iii) (R)-pentane-1,2-diol (fischer projection)
5. The correct name of the compound on the right is- B) (S)-2-bromobutane A) (R)-2-bromobutane C) (R)-2-bromopentane E) (S)-2-bromohexane D) (S)-2-bromopentane H Br H H CH3 CH2CH3
One of the isomers of 1,2,3,4,5,6-hexahydroxycyclohexane, called myo-Inositol, acts as a growth factor in both animals and microorganisms. Draw the most stable chair conformation of myo-Inositol (Note: account the wedge and dash projection). Draw the most stable cis-trans stereoisomer of myo-Inositol. OH HO ОН HO "OH ОН
2. Use the Newman projection to identify the structure shown: (a) as a Fischer projection (b) as a bond-line structure (c) by name Circle your answer for each part. CH2CH3 F+ H CH(CH3)2 CH2CH3 H+ F CH(CH3)2 三F H CH2CH3 H H F no CH(CH3)2 geslaan sam o Y (S)-4-fluoro-2-methylhexane F (R)-4-fluoro-2-methylhexane
looking along C2-C3 draw Newman projections of the most stable conformation for 2,3,4-trimethyhexane. Explain your answer literally step by step.
Pyrethrin II and pyrethrosin are two natural products isolated from plants of the chrysanthemum family. Pyrethrin II is a natural insecticide and is marketed as such. Q,) Label all chiral centers in each molecule and all carbon-carbon double bonds about which there is the possibility for cis,trans isomerism.
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
4.(a). Draw the structures of (i) cis-1,4-Dibromocyclohexane and (ii) trans-1,4- Dibromocyclohexane. 4(b). Draw the most stable conformers of (i) cis-1,4-Dibromocyclohexane and (ii) trans-1,4-Dibromocyclohexane. 4(c)Which is more stable? (i) cis-1,4-Dibromocyclohexane or (ii) trans-1,4- Dibromolcyclohexane. Explain the reason for your choice.
13. Classify the pairs of molecules as not the same molecule, structural isomers, diastereomers. enantiomers or identical. Circle any molecules that are not achiral. (a) (b) (c) F X Br. H H HY CI "Br Br H H CI H3C Br H Br I I Br CI H Br CH H H CH3 Br
(a) (1R,2R)-1,2-dibromocyclohexane, star (*) each chiral center.
Considering structures below, which of the following statements is true? O I H-C-O-CH₂ CH₂OH O || II HOCH₂CH₂-C-OH III HOCH₂CH₂-O-C-H A) I and II have different molecular formulas. B) I and III are structural isomers of each other. C) II and III are stereoisomers of each other. D) II and III are different conformations of the same compound. E) I and III are the same compound.
Using solid and dashed wedges, draw the structure of (1S, 2S, 4R, 5R)-1,5-dibromo-2,4- dichlorocyclohexane, then draw the most stable conformer.

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