Rank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -OCH3 -ОН -OCH,CH3 -SH
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- Arrange the following groups in increasing CIP priority order: * -C-OCH3 С-ОН C–CH3 -C-NH2 I II III IV III, IV, II, I O II, I, IV, II O II, III, I, IV O I, I, IV, IRank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -OCH3 -CH=0 -CH2OH -BrRank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -NH₂ -OH -CH3 -F
- Rank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -CH3 -CH=CH2 -CH2CH3 -HRank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 priority group). = highest priority group, 4 = lowest -CH2OH -CH=CH2 -CH2BR -CHCI2(C) (D) PQ-25. Which pair of compounds are enantiomers? CI CI CI CI H- OH HO -H- H- HO- HO H- and and (A) OH Но- -- (B) CI H- CI -H- -H- CI CI ОН ОН OH ОН CI CI H- CI H- HO- H -CI (С) and НО H- H- HO- HO H- and CIFH CI CI ОН OH
- Draw (1S,2S,4S)-1,2,4-trimethylcyclohexane. Show stereochemistry using wedges and dashesRank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -CH,OH -CH=CH, -CH,Br -CHCI, Submit Answer Retry Entire Group 9 more group attempts remaining(CH3)3C- (CHa)3C Br Br cis-1-bromo-4-tert-butylcyclohexane trans-1-bromo-4-tert-butylcyclohexane a. The cis and trans isomers of 1-bromo-4-tert-butylcyclohexane react at different rates with KOC(CH)3 to afford the same mixture of enantiomers A and B. Draw the structures of A and B. b. Which isomer reacts faster with KOC(CHa)g? Offer an explanation for this difference in reactivity. c. Reaction of cis-1-bromo-4-tert-butylcyclohexane with NAOCH3 affords C as the major product, whereas reaction of trans-1-bromo-4-tert-butylcyclohexane affords D as the major product. Draw the structures for C and D. d. The cis and trans isomers react at different rates with NaOCH3. Which isomer reacts faster? Offer an explanation for the difference in reactivity. e. Why are different products formed from these alkyl halides when two different alkoxides are used as reagents?
- Consider (1S,35)-1-(propan-2-yl)-3-methylcyclohexane. Its more stable form is the chair conformer where the substituent is at the axial position. O 3-methyl O 2-propyl O 1-isopropyl none of the other choices show mechanism and tell if addition or susbtitution= highest priority group, 4 = lowest Rank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 priority group). -CH2BR -H -OH -CH3PQ-17. How is this reaction characterized? (A) only regioselective (B) both regioselective and stereospecific (C) only stereospecific (D) neither regioselective nor stereospecific ~ 1) KMnO4. OH, 0°C 2) H₂O