有机化学精品教学（林东恩）试卷.pptVIP

下列化合物有手性的是（ ） 。 A. Ⅰ、Ⅱ、Ⅲ、Ⅳ B. Ⅰ、Ⅳ C. Ⅱ、Ⅲ D. Ⅳ I 、(12 points) Nomenclature. Give the IUPAC names（in both English and Chinese） for each of the following structures, or draw the chemical structures for the names. Stereochemisty should be clearly illustrated (or named) if there is any. 1、 2、 3、 4、 (R)-1-Phenylethanol （Fischer projection） (E)-3-Methyl-2-pentene Ethyl isopropyl ether trans-3-ethylcyclohexanol 5、 7、 6、 8、 (indicate R/S，Z/E) II 、(36 points, 1.5 points for each case) Complete the following reactions, showing the reagent(s), conditions, or products expected in each case. Stereochemistry should be clearly illustrated。 1、 2、 4、 3、 5、 6、 7、 8、 9、 10、 III 、 (12 points, 1.5 points for each question) Choose the right answer for each of the following problems. Only one answer is right for each problem. Write the answer in the bracket before the number of the problem. （Note: “least to most ” means由低到高；“ most to least ”=由高到低） ( ) 1、Rank the following species in order of decreasing stability (稳定性) (most to least stable): a b c d A、dacb B、adcb C、dcba D、bcad ( ) 2、Rank the following species in order of decreasing nucleophilicity （亲核性） in a polar protic solvent （极性质子溶剂） (most to least nucleophilic): a b c d A、abcd B、badc C、cdab D、bcda ( ) 3、Which, if any, of the following structures represents an aromatic species? ( ) 5、Rank the following in order of increasing reactivity (least to most) toward Diel-Alder reaction with maleic anhydride (顺丁烯二酸酐): a b c d A、dacb B、dcab C、cabd D、bacd ( ) 6、Which alkyl halide undergoes E2 elimination at the fastest rate? ( ) 7、Which of the following compounds are meso forms? a b c A、only a B、only c C、b an