ORGANIC CHEMISTRY Chapter 14 1865~1899 Kekule, 1865 Dewar, 1866-1867 Ladenburg, 1869 Armstrong-Baeyer Claus, 1888 Thiele, 1899 1887~1888 Br Br Br Br Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 14 1865 1899 Kekulé, 1865















Dewar, 1866~1867 Ladenburg, 1869




























































































Armstrong-Baeyer 1887~1888 Thiele , 1899 Br Br Br Br Claus , 1888