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- Homework #6, CHEM 231 Fentanyl is a synthetic opioid that is used for pain management. Fentanyl has a piperidyl ring - a 6-membered ring containing a nitrogen – in its molecular structure. Which conformation of the ring is likely to be lowest in energy (and thus most likely to bind to the opioid receptors)? Explain. A B DWhich one is more stable S2-, S4-, S6-?Q10. Which of the following is more stable?
- What is the relationship between the two? - enantiomers - conformers - constitutional isomers - conformers - identical - resonance formsDraw the compunds below. (2e,4z)-1-bromo-4-methylhexa-2,4-diene (2e,4z)-5-bromo-3-methylhexa-2,4-diene (2z,4e)-1-bromo-4-methylhexa-2,4-diene (2z,4e)-1-bromo-3-methylhexa-2,4-dieneFor each group of anions, rank in order of increasing STABILITY (1 = least stable, 3 = most stable). Briefly explain. group 1 group 2 :o: :o: :O: CI- Br- F ČI Br