第一节卤代烃的制备 第二节卤代烃的物理性质 第三节卤代烃的化学性质 第四节一卤代烯烃和一卤代芳烃

Chlorotoluene Benzyl chloride Of this group only benzyl chloride is not an aryl halide; its halogen is not attached to the aromatic ring but to an sp-hybridized carbon. Benzyl chloride has the weakest carbon-halogen bond, its measured carbon-chlorine bond dissociation energy being only 293 kJ/mol (70 kcal/mol). Homolytic cleavage of this bond produces a resonance-stabilized benzyl radical

1. 写出分子式为 C5H10O 的醛和酮的结构式，并用普通命名法和 IUPAC 命名法命名。 2. 分别指出苯乙醛和苯乙酮与下列试剂反应后的产物 (1)NaBH4 而后 H3O+；(2)Tollens 试剂；(3)C2H5MgBr 而后 H3O+；(4)2CH3OH/HCl（g） (5)NH2OH；(6)HCN/KCN；(7)H2NNH2

1. 答：分子式为 C5H10O 的醛和酮的结构式及普通命名法和 IUPAC 命名法的命名为： 2. 答：苯乙醛和苯乙酮与各种试剂反应后的产物分别为：

22.2 N,N-Dimethylcycloheptylamine may also be named as a dimethyl derivative of cycloheptanamine. -N(CH3)2 N,N-Dimethylcycloheptanamine 22.3 Three substituents are attached to the nitrogen atom; the amine is tertiary. In alphabetical order, the s substituents present on the aniline nucleus are ethyl, isopropyl, and methyl. Their positions are

SOLUTIONS TO TEXT PROBLEMS 7.1 (c)Carbon-2 is a stereogenic center in 1-bromo-2-methylbutane, as it has four different substituents: H, CH, CH,CH2, and BrCH2. H BrCH2-C-CH2CH, CH3 (d) There are no stereogenic centers in2-romo-2- me. Br CH:-C-CH,CH3 CH, 7.(b) Carbon-2 is a stereogenic center in 1, 1, 2-trimethylcyclobutane

SOLUTIONS TO TEXT PROBLEMS 6.1 Catalytic hydrogenation converts an alkene to an alkane having the same carbon skeleton. Since 2-methylbutane is the product of hydrogenation, all three alkenes must have a four-carbon chain with a one-carbon branch. The three alkenes are therefore:

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he relationship between structure and function reaches its ultimate expression in the chemistry of amino acids, peptides, and protein Amino acids are carboxylic acids that contain an amine function. Under cer- tain conditions the amine group of one molecule and the carboxyl group of a second can react, uniting the two amino acids by an amide bond. Amide(peptide)bond