Chapter 13 Aromatic compounds 13.1 Introduction 1. How to find benzene? 2. Kekule(克库勒) was the first to recognize that these early aromatic compounds all contain a six-carbon unit Benzene苯
Chapter 13 Aromatic compounds 13.1 Introduction 1. How to find benzene? 2. Kekule(克库勒）was the first to recognize that these early aromatic compounds all contain a six-carbon unit. Benzene 苯
13.2 Nomenclature of benzene Derivatives 1. Monosubstituted benzenes单取代本 Br NO2 Fluoro benzene Chlorobenzene Bromobenzene Nitrobenzene (氟苯 (氯苯) (溴苯) 硝基苯)
13.2 Nomenclature of benzene Derivatives F Cl Br NO2 Fluorobenzene Chlorobenzene Bromobenzene Nitrobenzene (氟 苯 ） （ 氯 苯 ） （ 溴 苯 ） 硝 基 苯 ） 1. Monosubstituted benzenes 单 取 代 苯
1. Monosubstituted benzenes甲取代本 CH CH2CH3 OH NH2 Methylbenzene Ethylbenzene Hedroxybenzene Aminobenzene 甲苯) (乙苯) (苯酚)(氨基苯,苯胺) Toluene Phenol Aniline
CH3 CH2CH3 OH NH2 Methylbenzene Ethylbenzene Hedroxybenzene Aminobenzene (甲 苯 ） （ 乙 苯 ） （ 苯 酚 ） （ 氨 基 苯 ， 苯 胺 ） 1. Monosubstituted benzenes 单 取 代 苯 Toluene Phenol Aniline
Monosubstituted benzenes SO?H COOH COCH3 OCH3 Benzenesulfonic acid Benzoic acid Acetophenone Anisole (苯磺酸) (苯甲酸) (苯乙酮) (苯甲醚)
Monosubstituted benzenes SO3H COOH COCH3 OCH3 Benzenesulfonic acid Benzoic acid Acetophenone Anisole (苯 磺 酸 ） （ 苯 甲 酸 ） （ 苯 乙 酮 ） （ 苯 甲 醚 ）
When two substituents are present, their relative positions are indicated by the prefixes ortho, meta, and para (abbreviated o-, m", and or by the use of numbers Br Br 1.2-Dibromobenzene 13-Dibromobenzene 1. 4-Dibromobenzene O-Dibromobenzene m-Dibromobenzene p-Dibromobenzene 邻-二溴苯) (间-二溴苯) 对-二溴苯)
Br Br Br 1,2-Dibromobenzene 1,3-Dibromobenzene 1,4-Dibromobenzene (邻 -二 溴 苯 ） Br Br Br o-Dibromobenzene m-Dibromobenzene p-Dibromobenzene (间 -二 溴 苯 ） (对 -二 溴 苯 ） When two substituents are present, their relative positions are indicated by the prefixes ortho, meta, and para (abbreviated o- , m-, and p-) or by the use of numbers