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- 4.36 Determine whether the structures in each set represent the same molecule, cis-trans isomers, or constitutional isomers. If they are the same molecule, determine whether they are in the same or different conformations as a result of rotation about a carbon-carbon single bond. (See Examples 4.6, 4.7) and a. and b. OH and H. H OH and d. C.Problem 4.30 (a) Draw C in its more stable chair conformation. (b) Convert D to a hexagon with substituents on wedges and dashed wedges. Н | CH3 CH3 CH2CH2CH3 нQuestion 32 Label the following pairs as identical or enantiomers or geometric isomers or constitutional isomers: a. 1,1-dibromocyclobutane and 1,2-dibromocyclobutane b. CI- and Ci or:om CH3 CH3 & C. a.: constitutional isomers; b: identical; c: enantiomers a: geometric isomers; b: enantiomers; c: identical a: geometric isomers; b: diastereomers; c: geometric isomers a: diastereomers; b: enantiomers; c: diasteroemers
- 3. Draw a wedge-dash structure of the following compound. Does it naturally prefer this conformation? H H. CH35.There are two important methods that are used to prepare alkenes: they are: . and . Your answer5.29 The compound zoapatanol was isolated from the leaves of a Mexican plant. Classify each oxygen in zoapatanol according to the functional group to which it belongs. If an oxygen is part of an alcohol, classify the alcohol as primary, secondary, or tertiary. НО HO,
- Draw and name two different constitutional isomers of C8H16 that have geometric isomers and are named " .... pentenes''. For each constitutional Isomer draw either the E or Z geometric Isomer and Include E or Z In the name.Compounds E and F are two isomers of 2,3-dibromopentane drawn in staggered conformations. Which compounds (A–D) in Figure 5.8 are identical to E and F?Consider the attached tricyclic structure B. (a) Label each substituent on the rings as axial or equatorial. (b) Draw B using chair conformations for each sixmembered ring. (c) Label the atoms on the ring fusions (the carbons that join each set of two rings together) as cis or trans to each other.
- 2. Draw the flipped chair conformation of a. Which of the two conformations is more stable? Justify your answer. #s S.10. Indicate the relationship between each pair of molecules: identical, constitutional isomers, stereoisomers, or not related at all. (a) (b) CIIdentify circle the alkanelike portions of the following molecules: a. b. c. d.