一、烷烃和环烷烃的构象异构 二、烯烃的顺反异构（几何异构） 三、构型异构——对映异构与非对映异构 四、环烷烃的构型异构

1、用系统命名法命名下列化合物 （1）2，3，3，4-四甲基戊烷 （2）3-甲基-4-异丙基庚烷 （3）3，3，-二甲基戊烷

A-6.(a) has only sp-hybridized carbon atoms has only sp-hybridized carbon atoms N Bra has only one sp-hybridized carbon atom A-7 A-8. A-9.(a)

SOLUTIONS TO TEXT PROBLEMS 3.1 (b) The sawhorse formula contains four carbon atoms in an unbranched chain. The compound is butane, CH:CH,CH, CH3 CH3 HH H-H CH ()Rewrite the structure to show its constitution. The compound is

SOLUTIONS TO TEXT PROBLEMS 5.1 (b) Writing the structure in more detail, we see that the longest continuous chain contains four carbon atoms

SOLUTIONS TO TEXT PROBLEMS 9.1 The reaction is an acid-base process; water is the proton donor. Two separate proton-transfer steps are involved

assuming that there is no resonance stabilization in 1, 3,5-cycloheptatriene, we predict that its heat of hydrogenation will be three times that of cycloheptene or 330/mol (78.9 kcal/mol)

SOLUTIONS TO TEXT PROBLEMS 15.1 The two primary alcohols, 1-butanol and 2-methyl-1-propanol, can be prepared by hydrogenation of the corresponding aldehydes

Oxirane 2-(Chloromethyl)oxirane This compound is more commonly known as epichlorohydrin. (c)Epoxides may be named by adding the prefix epoxy to the IUPAC name of a parent compound specifying by number both atoms to which the oxygen is attached

1．答：（1） 有，由 sp3 到 sp2。 （2） 有，由 sp2 到 sp3。 （3） 无。 （4） 有，由 sp 到 sp3 和由 sp 到 sp2