828年,年青的德国化学家韦勒( Wohler) NHCI+ agOCn-AgCl+ NH4OCN Heat NH4 OCN NH NH After that time many other syntheses were carried out, and the vital force theory was eventually discarded
1828年,年青的德国化学家韦勒(Wohler) NH4Cl + AgOCN → AgCl + NH4OCN NH4 + - OCN NH2 O NH2 Heat After that time, many other syntheses were carried out, and the vital force theory was eventually discarded
有机化学的定义 有机化合物是指含碳元素的化合物。 研究碳化合物的化学叫有机化学。 The distinctive feature of organic compounds is that they all contain one or more carbon atoms. Still not all carbon compounds are organic compounds most of the millions of carbon compounds are considered to be organic compounds however
• . The distinctive feature of organic compounds is that they all contain one or more carbon atoms. Still, not all carbon compounds are organic compounds. Most of the millions of carbon compounds are considered to be organic compounds, however. 有机化合物是指含碳元素的化合物。 研究碳化合物的化学叫有机化学。 二. 有机化学的定义
The modern definition of organic chemistry is the chemistry of' carbon compounds Although carbon is the principal element in organic compounds, most also contain hydrogen, and many contain nitrogen oxygen, phosphorus, sulfur, chlorine, or other elements
• The modern definition of organic chemistry is the chemistry of carbon compounds. • Although carbon is the principal element in organic compounds, most also contain hydrogen, and many contain nitrogen, oxygen, phosphorus, sulfur, chlorine, or other elements
s12有机化合物的特点 、结构上的特点 组成元素简单、数目众多、结构复杂 数目:1996年有机化合物已超过1000万种,无机化合 物只不过约10万种。且新的有机化合物以每年新增加 30万种,平均每天增加1000种的非常惊人的高速度 可世
§1.2 有机化合物的特点 组成元素简单、数目众多、结构复杂 一、结构上的特点 数目:1996年有机化合物已超过1000万种,无机化合 物只不过约10万种。且新的有机化合物以每年新增加 30万种,平均每天增加1000种的非常惊人的高速度 问世
结构:异构现象 例如:C4H CH ChoCIce CH3C=CH CH3 CH3 CH=CHCH3 CH3
结构:异构现象 例如: C4H8 CH3 CH2 CH=CH2 CH3 C=CH2 CH3 CH3 CH=CHCH3 CH3