| 21. | The smallest cycloalkane family is the three-membered cyclopropane ( ( CH 2 ) 3 ).
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| 22. | Cyclopropane and propene have the same molecular formula but have different structures, making them structural isomers.
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| 23. | These reactions are differentiated in terms of how the carbon is added to form the cyclopropane ring.
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| 24. | With certain allyl alcohols, the alcohol group is replaced by nucleophilic carbon forming a cyclopropane ring:
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| 25. | Some cycloadditions instead of ? bonds operate through strained cyclopropane rings; as these have significant ? character.
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| 26. | The compound is also used as a catalyst for the preparation of certain cyclopropanes in the Kulinkovich reaction.
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| 27. | Another modification of C-3'with cyclopropane and epoxide moieties were also found to be potent.
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| 28. | In addition, the ring structures of cyclopropanes / enes and cyclclobutanes / enes offer very little conformational flexibility.
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| 29. | Rings smaller than cyclohexane, like cyclopropane and cyclobutane, have significant tension caused by large-angle strain.
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| 30. | Ring sizes from cyclopropane through cyclooctane are able to undergo Tiffeneau Demjanov ring expansion with some degree of success.
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