Draw as many resonance structures as you can for the following carbonation. Label all of the carbonation structures as 1,2,3 (primary,secondary,tertiary) and circle the most stable conformation in terms of the carbonation. The image shows a chemical structure diagram. In the top right corner, there is a cyclohexene ring attached to a carbon chain. The carbon chain has a vinyl group (an alkene with a double bond) extending from one of the carbon atoms, and there is a positive charge indicated by a plus sign (+) next to the structure. This suggests it may be a carbocation (a positively charged carbon atom). The details of the structure can be important for understanding the reactivity and properties of the molecule in organic chemistry contexts.

Draw as many resonance structures as you can for the following carbonation. Label all of the carbonation structures as 1,2,3 (primary,secondary,tertiary) and circle the most stable conformation in terms of the carbonation.

Draw as many resonance structures as you can for the following carbonation. Label all of the carbonation structures as 1,2,3 (primary,secondary,tertiary) and circle the most stable conformation in terms of the carbonation.

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 4E: Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This...

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2. For the two compounds below, draw the two possible conformations. Circle the conformation(s) that would be the most stable. Remember, though A values were developed for cyclohexanes, they are a good guide for other types of rings as well! OH ço OEt ll ph
Click on all of the following Newman projections that represent the least stable conformation of 2,2,3-trimethylbutane . CH3 HCH3 H3CCH3 CH3 CH3 CH3 CH3 H3C, CH3 H. H. H3C* ČH3 CH3 H3C ČH3 CH3 CH3 CH3 H3C ČH3 CH,
7. For each of these, draw the two conformers by adding the missing methyl and ethyl group. The second one should be the ring flip of the first. Identify which is more stable. As we learned, the larger group prefers the equatorial position. Me ring Et flip ring Me. Et flip ring Et flip Me
2. Chair Strain (a) Consider the following cyclohexane derivative. Circle the location (axial or for each substituent in this molecule's most stable chair conformer. F axial equatorial Br axial equatorial Bru CH3 Ph axial equatorial Ph CH3 axial equatorial equatorial)
Consider (1R,2S,3S,4S)-1,4-dibromo-2-(tert-butyl)-3-methylcyclohexane. Circle the location (axial or equatorial) for each substituent in this molecule’s most stable chair conformer.
- Consider 1-bromopropane(propyl bromide). I) Draw a Newman projection (conformation) in which methyl and bromine are anti. II) Draw a Newman projection (conformation) in which methyl and bromine are in gauche. II) Draw a Newman projection (conformation) which represents the least stable eclipsed conformation.
Draw a resonance structure, complete with all formal charges and lone (unshared) electron pairs, that shows the resonance interaction of the cyano with the ortho position in benzonitrile. CEN benzonitrile • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • In cases where there is more than one answer, just draw one.
2. Chair Strain (a) Consider the following cyclohexane derivative. Circle the location (axial or for each substituent in this molecule's most stable chair conformer. (b) (c) ( F axial equatorial Br axial equatorial Br CH3 Ph axial equatorial Ph CH3 axial equatorial equatorial) Draw the chair conformer described in (a), adding only the substituents (not the hydrogen groups of those stereocenters) onto the template below. O Complete the table, indicating how many of each type of interaction is present in total for the chair conformer described in (a). gauche interactions between gauche interactions substituents and the ring between substituents 1,3-diaxial interactions between substituents (d) ( Draw the other conformer that results from a chair flip onto the template below. Ma the changes that happen in the chair flip, but don't make other changes. Only draw substituer
See attached question.
Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.
Following is a chair conformation of cyclohexane with the carbon atoms numbered 1 through 6. (a) Draw hydrogen atoms that are above the plane of the ring on carbons 1 and 2 and below the plane of the ring on carbon 4. (b) Which of these hydrogens are equatorial? Which are axial? (c) Draw the alternative chair conformation. Which hydrogens are equatorial? Which are axial? Which are above the plane of the ring? Which are below it?
Look at Figure 4-12 on page 105, and estimate the percentages of axial and equatorial conformations present at equilibrium in bromocyclohexane.