Advanced Organic Chemistry: verschil tussen versies
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==Examenvragen== | ==Examenvragen== | ||
=== | [[Categorie:Machemie]] | ||
==28 januari 2013 NM== | |||
#Explain the following reaction. [[Bestand:Voorbeeld.png]] | |||
#How is given cyclopropane synthesized from diethyl malonate in several steps? Choose reagents such that a maximal yield is obtained. [[Bestand:Voorbeeld.png]] | |||
#This reaction scheme is an example of a benzannelation reaction. Upon heating, several consecutive steps happen so that the given end product is obtained. Among these steps are three electrocyclic reactions (two 4-electron and one 6-electron), a tautomerization, and a cycloaddition (not necessarily in this order). [[Bestand:Voorbeeld.png]] | |||
#Explain formation of this product in presence of base. [[Bestand:Voorbeeld.png]] | |||
#Give product A and explain how this reaction occurs. [[Bestand:Voorbeeld.png]] | |||
#What products will be formed in following reactions? [[Bestand:Voorbeeld.png]] | |||
Versie van 4 jan 2017 18:46
Examenvragen
28 januari 2013 NM
- Explain the following reaction. Bestand:Voorbeeld.png
- How is given cyclopropane synthesized from diethyl malonate in several steps? Choose reagents such that a maximal yield is obtained. Bestand:Voorbeeld.png
- This reaction scheme is an example of a benzannelation reaction. Upon heating, several consecutive steps happen so that the given end product is obtained. Among these steps are three electrocyclic reactions (two 4-electron and one 6-electron), a tautomerization, and a cycloaddition (not necessarily in this order). Bestand:Voorbeeld.png
- Explain formation of this product in presence of base. Bestand:Voorbeeld.png
- Give product A and explain how this reaction occurs. Bestand:Voorbeeld.png
- What products will be formed in following reactions? Bestand:Voorbeeld.png
