應某人的要求
就把考題Po出來了
不過有些分子結構沒辦法畫
就只好省略了
Organic Chemistry III
First examination, October 25, 2002
1, Give all evidence you know to prove the existence of benzyme intermediate.
2, Briefly discuss addition-elimination reactions you have learned in this
course.
3, Briefly discuss how you would prepare 1-acetyl- and 2-acetylnaphthlene,
respectively.
4, Briefly discuss [2+2] cycloadditions you have learned in this course.
5, Briefly discuss the regioselectivity of 1,3-dipolar cycloadditions in terms
of frontier orbital interaction.
6, Give the mechanism of the following transformations.
(Five)
7, Answer the following questions:
(a) What is the property and the usage of Meldrum's acid (structure)?
(b) What is the "endo rule" for Diels-Alder reaction and how would you
account for it?
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