KIMIA ORGANIK 1

KIMIA ORGANIK

_catatan

·        Reaksi alkena dengan hidrogen

                                              R

CH₃−CH₂−CH= CH₂ + H₂   →        CH₂-CH₂-CH₂-CH₃

       1-butena                            Katalis                                butena

                                                       Pd/ni

                                    R

CH₂ = CH₂ + H          →         CH₃-CH₃

                                    Katalis                                                   

                                     Pd/ni

·         Contoh lain

tahap 1

CH₃−CH₂-CH₂ ┼CH−CH₂−CH₃  

                               |

                              CH₃

Diputus atau dipotong

Tahap 2

CH₃−CH₂-CH₂┼CH−CH₂−CH₃  

                               |

                              CH3

Disusun menjadi

CH₃ – CH – CH₂−CH₃

                         Posisi CH₃ sebelum nya di masukkan alkil halida

Menjadi

CH₃ – CH – CH₂−CH₃

               |

             Br

Selanjutnya………

                                     Li                                              CuBr

CH₃ – CH – CH₂−CH₃   →             CH3-CH-CH2-CH3     →

               |                                                    |

             Br                                                 Li

CH₃    CH₃ − CH−CH₂−CH₃

   |                     |

CH −−−−   CuLi −−−−  |

   |                                   |

CH₂                                |

   |                                   |                        

CH₃                                          |

                                       |→       CH₃−CH−CH₂−CH₃

                                       |                     |

                                       |                     CH₂−CH₂−CH₃

                                       |

                                       |

                                       |

CH₃-CH₂-CH₂Br−−−− |