(26)--7.1医用化学课件医用化学.pdf

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1、Organic chemistry Nylon dacron space suit Bullet proof clothing 3 Rubber products athletic tracks Paper 4 Artificial heart artificial kidney Artificial blood Artificial knee-joint Artificial skin 5 Contact lens Plastics Paint cosmetics Gasoline 6 vitamins and drugs Organic-Organism What is organic c

2、hemistry?The study of carbon compounds Principal element:C Other elements:H,N,O,Cl,S,P,Si etc.Every living organism is made of organic chemicals.The proteins,the DNA,the food,the clothes,the medicines.Organic compound History of Organic Chemistry 1828 Friedrich Wohler 1845 Kolbe,H CH3COOH 1854 Berth

3、elot,M Lipids 1965 China bovine insulin AgCl AgOCN +NH4Cl NH4OCN +AgCl NH4OCN H2NCNH2 =O What is studied from organic chemistry?Compositions Structures Properties Reactions of organic compounds Compare organic compounds with inorganic compounds organic compunds inorganic compounds Types More than te

4、n million several hundred thousand Constituent elements C,H,O,N,P,S,X All elements Chemical bonding Covalent bonds ionic bonds Characteristics of reaction slow rate,more side reactions fast rate,few side reactions Flammability combustible nonflammable Existence Molecule ion Insolubility in water Mos

5、t are soluble in water Solubility Composition of human body How important is each element of life?Quantity The role it plays Fe(anemia)I2(thyroid)Example:For an insulin molecule,the sulphur content is 3.4%,the molecular weight of insulin molecule is 5734,determine how many S atoms are contained in an insulin molecule.Solve:5734*3.4%/32=6.09 6 6