Following is a structural formula of desosamine, a sugar component of several macro- lide antibiotics, including the erythromycins. The configuration shown is that of the nat- ural or D isomer. Erythromycin is produced by a strain of Streptomyces erythreus found in a soil sample from the Philippine archipelago. CH3 Desosamine Me,N" HO ОН

Q: Draw the more stable chair conformation for the following compound. trans-1,2-dibutylcyclohexane

A: In Cyclohexanes chair conformation is more stable than boat conformation

Q: Draw the chair conformation for the lowest energy conformation

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Q: Draw a chair conformation of this molecule with (a) all CH3 groups in axial positions and (b) all…

A: The considered molecule is a substituted cyclohexane. The chair conformation of a cyclohexane ring…

Q: Which of the statements below correctly describes the chair conformations of…

A: An axial chair conformation is less stable than corresponding equatorial conformation. This is due…

Q: Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers,…

A: Stereoisomers are isomers that have different spatial arrangements of groups.Constitutional isomers…

Q: :0: Ö: CI: ОН F:

A: In a cyclohexane chair conformation, 1,3-diaxial interaction occurs when two axial substituents are…

Q: Determine the # of chiral centers. Determine the most stable chair conformation then indicate which…

A: Chiral center means four different groups attached and chair conformer is most stable conformer of…

Q: Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers,…

A: Constitutional isomerism: The chemical formulae of constitutional isomers are same, but their…

Q: For the compound below please choose the correct set of chair and flipped chair conformations: A B C…

A: The chair form is the most stable conformation of the cyclohexane Ring. And ring flipping is like an…

Q: Sketch the chair conformers for the following compound. Then identify which conformer is more and…

A: Stability of chair conformer is decided by the number of bulky substituents at equatorial position.

Q: Draw both chair conformers of the following substituted cyclohexanes. Identify all significant…

A: Given molecules are two cyclohexane derivatives.

Q: For the molecule shown below, draw both chair conformations and circle which is the lower energy…

A: The given molecule is (1S,2S,4S)-1,2,4-trifluorocyclohexane. It contains three fluorine group…

Q: Q5. Estimate AG (free-energy difference being positive or negative; equilibrium direction) between…

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Q: 3) Provide the product for the following acid-base reaction. Please use arrows to show the movement…

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Q: Draw two three-dimensional models of cyclohexane (chair conformations in equilibrium). All the…

A: All the 12 hydrogens in the chair conformation of cyclohexane are not equivalent. It has two types…

Q: Draw the boat conformation of the structure 2,4-dibromocylohexane. Are there any chiral centers…

A: Conformation - is the spatial arrangement of atoms in a molecules may adopt and freely convert…

Q: Draw the lowest-energy conformation of the following compound OH

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Q: Draw both chair conformers of ethylcyclohexane. Identify which is lower in energy.

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Q: 5. The sugar structure below is used to treat poultry disease, Draw and circle the preferred…

A: Cyclohexane exits in multiple forms i.e., chair, half chair, boat, twisted boat etc. Among these…

Q: Which chair structure accurately represents the lowest energy conformation of the compound shown in…

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Q: The following Newman projection H H CH3 H H is an illustration of in its staggered conformation.

A: In the given question, a newman projection is given and we have to find the original structure.

Q: Draw the two chair conformations of cis-1,3-dimethylcyclohexane, and label all the positions as…

A: Conformers are the structures which are obtained by the rotation of C-C single bond. The common…

Q: The following statements about the chair conformation of D glucopyranose are true EXCEPT * a. The…

A: The pyranose structure of glucose is highly stable.  Bulky substituent at Equatorial position give…

Q: Draw both chair conformations of cis-1,2-dimethylcyclohexane, and Predict which isomer (cis or…

A: The chair conformation for the cis-1,2-dimethylcylohexane is shown below.

Q: Identify the Newman projections that illustrate the difference between the two lowest energy…

A: Please find the attachment.

Q: Which conformation in the picture attached represents the most stable ECLIPSED conformation of…

A: The arrangement of dihedral angle between the front bond and the back bond is 00 is known as…

Q: Q.3. Draw three staggered Newman projections of 2,3-dimethylpentane through C2-C3 bond. Circle the…

A: In the given compound one bulkier (-et) and three (-me) substituents are present on  C2 and C3…

Q: draw the newman projections of the two chair conformations, separated by a ring flip, of…

A: 1-isopropyl-3-methylcyclohexaneWe need to draw the Newman projections of the two chair…

Q: cs, trans isomers are an example of stereoisomers. OH i CI OH J ExtGroup

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Q: Draw the two chair conformations for the following compound. Explain by calculation of 1,3-diaxial…

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Q: Pls explain chair conformations

A: Chair conformation: Chair conformation consists of two planes: carbon 1,3 and 5 - in one plane…

Q: None

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Q: Draw cyclohexanol in its chair conformation with the functional group in both its axial and…

A: The conformational isomers are formed by the rotation of a carbon-carbon single bond in a…

Q: (i) Gauche conformation of ethane, (ü) felipsed conformation of ethene, (iii) Staggered conformation…

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Q: 5) For each of the pairs of molecules drawn below, place letters in the corner boxes corresponding…

A: The isomers which have the same connectivity of atoms in the molecules but different spatial…

Q: Identify the equilibrium below that shows the two chair conformations of the following compound: X…

A: The objective is to find the conformers of the disubstituted cyclohexane. The most stable conformer…

Q: Draw the two chair conformations of the following compound A, and indicate which is more stable.…

A: When converting structures of substituted cyclohexanes to chair form, the groups with wedge bond…

Q: For the chair conformations shown list all the 1,3-diaxial interactions in both molecules. Attached…

A: 1,3- diaxial interaction is the steric interaction between axial group present in C-1 and axial…

Q: НО. HO

A: When groups remain in equatorial position in chair conformation then groups do not feel…

Q: Explain "Gauche conformations are generally higher in energy than anti conformations because of…

A: The stability of any conformation  depends upon   their energies as higher is the energy ,lesser is…

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.