Option D, conformation I
Since trans 1,4-disubstitution: equatorial, equatorial or axial,axial.
Hence D is correct
Which conformation represents the most stable conformation of trans-1-bromo-4-methylcyclohexane? Br JCH, Br CH, I II сн....
Which conformation represent the most stable conformation of trans1-bromo-4 methylcyclohexane? I II III IV V How many stereocenters (chiral centers) are in the hormone cortisol? Please circle them. 4 5 6 7 8
Which of the following chair structures represents the highest energy conformation of trans-1-bromo-2-methylcyclohexane? Br Br Br Br
6. Draw both chair conformations of trans-1-bromo-2-methylcyclohexane. Circle the most stable conformation.
Draw the most stable conformation for; a. trans-1-chloro-3-methylcyclohexane b. cis-1-ethyl-2-isopropylcyclohexane c. trans-1-bromo-4-ethylcyclohexane d. cis-2-bromo-1-methylcycclohexane Sppecifically, show the ring flipping and calculate the strain using the table given in the power point slides.
NA afte. 9 Select the most stable conformation for trans-1-tert-butyl-3-methylcyclohexane. н D A 10. Which of the following compounds are optically active [will rotate plane polarized light (is chiral)]? CIL CI CI CI C/. CI A CI CI В D С 11. Rank absorption of the indicated bonds in decreasing (highest to lowest) wavenumber. II н x III a) III> II>I b) I> II III OH c) II>I> IlI d) III I> II но, но—н 12. How many stereocenters are...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
15) The most stable conformation of 3-bromo-2-methylpentane, viewed through the C-2-C-3 bond (i.e., C-2 in the front, C-3 in the back) Br CH3 CH 3 CH3 H2CH H3C CH(CH3)2 CH3 CH3 CH3 CH2CH3 H2CH3 IV a) I b) II c) III d) IV e) V 15) The most stable conformation of 3-bromo-2-methylpentane, viewed through the C-2-C-3 bond (i.e., C-2 in the front, C-3 in the back) Br CH3 CH 3 CH3 H2CH H3C CH(CH3)2 CH3 CH3 CH3 CH2CH3 H2CH3 IV...
Question 9 4 pts Which of the following chair conformations represents the most stable chair conformation of (15,3S)-1-isopropyl-3-methylcyclohexane? n o CY
Select the single best answer. Identify the structure below that represents the most stable conformation of trans-1-isopropyl-3-methylcyclohexane.
Select the most stable chair conformation for (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane. Select the most stable chair conformation for (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane Select the most stable chair conformation. CH(CH3)2 (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane Chair choices: CI CH CH3 CH3 (H3C)2HC CH(CH3)2 (H3C)2HC CH3 CH3 CH3 Cl CH(CH3)2 (H3C2HC (H3C)2HC