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- Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth methyl groups in __________ positions and one with both methyl groups in ____________ positions.Which of the following line drawings represents the correct stereochemistry o molecule shown in the Newman projection below? E + Н. H I CH₂CH3 LOH H CH3 OH OH || IV OH 5.... OH A) I B) II C) III D) IV Kd) Molecular relationships; identify whether the compounds in each group are const. isomers, conformers, enantiomers, diastereomers, identical, meso or none of the above. ОН ОН H3C Br H3C LF H Br CH3 HO CI Br Br CI NH NH
- For the pair of structures indicate what type of isomeric relationship they have at room temperature. The possibilities are structural isomers, conformational isomers, enantiomers, diastereomers, and meso compound. O |||||OH CH3 "1110 ...IOH CH3 AV AAmong the following stucture given below, the one that cowespond) to the Imost stable conformation of compound A is ! Explain your answer. Me compound A Arial 01H Me Me Me equotona OHQ2 Give the stereochemical relationships between each pair of structures. Examples are same compound, structural isomers, enantiomers, diastereomers fa CH. OH HO- OR HO CH, CH. CH,
- 5) For the following: a) Draw the "flat" line structure of the following (be sure to indicate stereochemistry) Br OH b) Draw both chair conformations of the following compound. Indicate which form is the most stable H3C°1) For each pair of structures, determine if they are identical (I), resonance forms (RF), structural isomers (S), conformers (C), enantiomers (E), diastereomers (D), or None (N). b) F H OCH 3 H3CO H F Om Ω d) f) CI CI LL www LL CH3 H CI CH H H H H3C CI CH3Question 4 Classify the relationship between (2R,3S)-2,3-dibromohexane and (2S,3S-2,3-dibromohexane. O Identical O Enantiomers O Constitutional Isomers O Diastereomers O Conformational Isomers
- Build a model (attach a photo) for any of the following compounds. What is their relationship: (i) Identical in the same conformation, (ii) conformers, (iii) enantiomers, (iv) diastereomers, (v) constitutional (structural) isomers or none of (i) – (v)? 4 1.4 он H. LOH $Bu CI $Bu Relationship:which is most stable conformation int Et Me * H H Me H A. "iPr It' H HA Et Me H B. CH₂ ile Hips H- H с H ilrwhat is the structure and jvalues? (c10H14O).