None 9. Consider 3-methylhexane. (24 points)a. Draw this compound in the box provided.+4b. Now, draw the Newman projections for the three staggered conformationslooking down the C3 to C4 bond.gaucheCH2CH 3H-CH2CH3H.CH2CH3HgaucheCH3CH2、CH2CH3HMost stable?anti+4+4gaucheBaH`CH3HH`CH3CH2CH3 gaucheH`CH3+4Hanti.+4ABC+2 for anti,+2 for gauchec. Which conformation(s) is/are the most stable, A, B or C (use box above).d. Clearly label a gauche orientation and an anti-orientation in the figures above.

a): Structure of 3-Methylhexane3-Methylhexane has a six-carbon chain with a methyl group attached to…

Answered: 9. Consider 3-methylhexane. (24 points)…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 2CTQ

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(7) In the box to the right of each structure, draw the lowest energy chair conformer. Work it out first on scrap paper. Please draw it with the t-Bu group pointing to the right...i.e. viewing each structure from the "bottom side of the ring".
2. *)Use either one of the chair cyclohexane templates I've provided below to draw the given compound in its lowest energy conformation. (Put H atoms at the ends of bonds in the template that don't point to other substituents.) H;C CH3 H.C HO
Select all of the following Newman Projections that include an anti conformation. H₂C. H. H H D H CH3 H H CH3 CH₂CH₂CH3 H CH₂CH₂CH3 CH₂CH3 CH₂ CH₂CH3 CH₂CH3 "Don CH3 CH₂CH₂
Are all the non hydrogen axial and draw chair-chair inter conversion of this model please
Draw all isomers (constitutional and stereoisomers) for dimethylpentane in wedge-dash format. Label all stereoisomers as R/S.
С. (1) BH3 (2) H,O,. H,O, NaOH Product is (circle one) i. A racemic mixture ii. A single enantiomer, iii. Achiral or meso D. txt. CI Ci
answer subpart b,c and d please.
Complete the sentences (one-word answers; ala) below based on the following Newman projection A and information below: and Newman projections (B and C H. CI CI CH2CO2H CI В A is a Newman projection of (IUPAC name of the molecule) along the C3-C4 bond is best described as being the (type) conformer. B is the most stable conformation because the substituent groups are in the position. C is the least stable because all the bonds are
4. For each of the pairs of molecules drawn below, place letters in the corner boxes corresponding to all accurate descriptions of the relationship between the two molecules. a) b) O H3C HO Br HO OH Br HH HO TH CH3 HH HH CH3 HO Br Br HO OH HH HH CH3 CH3 OH all letters that apply all letters that apply all letters that apply all letters that apply A enantiomers B diasteromers C different conformations of the same molecule D identical comformations of the same molecule E constitutional isomers F stereoisomers G different molecules H both are chiral I neither is chiral
3. A. Draw the Newman Projection of pentane looking down the C2-C3 bond in a staggered confirmation. B. Draw an energy diagram showing the conformational analysis using the Newman Projection above (showing a 360 degree total rotation, 60 degrees at a time). Hint – see Figure 4.6, 4.9 and 4.11 for examples. Estimate the potential energy of each 60 degree turn as you do not have data to calculate the values exactly. Label each Newman Projection as staggered/eclipsed or gauche/anti as appropriate.
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5. Which one of the following compounds is the strongest base? Lil (CH3)2NLI LIOCH3 (CH3)3CH O LIOCH O uI O (CH3),NLI O (CHsCH 6. Which two of the following Newman projections represent conformations of 2-bromobutane? CH3 H,C. CH3 H. Н. CH3 H;C H;C ČH; H H. Br CH3 Br Br 1 2 3 H CH; H, Br H;C, H H;C Br CH3 CH3 H. H O 2 and 3 O 1 and 2 O 1 and 4 O 4 and 5

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