5/5 Notes – Cyclic Organic Compounds

 

C.        Ringed Hydrocarbons (Cyclic)

            1.         Def – hydrocarbon that is in a ring (or is continuous)

            2.         Naming

                        a.         Add the prefix cyclo- to the longest chain

                        b.         Longest chain has to be the ring

                        c.         Name all substituents as usual

3.         Examples

                        Write out the following structures

                        1-cyclohexene

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                        2,4-dimethyl-1-cyclopentanol

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                        Name the following

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                    3-iodo-1,2-cyclobutadiol                                                 2, 4, 6-trichlorocyclohexanal

                    OH are alcohols and should be named 1st                       Aldehydes should be named first

                    We have a ring à cyclo-                                                 Ring à cyclo-

                    4 carbon chain à but-                                                     6 Carbons à hex-

                    2 alcohols à -diol                                                           Aldehyde à -al