Advanced Organic Chemistry - Bewerkingsoverzicht

R0882878 op 23 jan 2025 om 15:20

2025-01-23T15:20:05Z

← Oudere versie		Versie van 23 jan 2025 17:20
Regel 2:		Regel 2:

	==Examenvragen==		==Examenvragen==
			===23 January 2025===
			Points per question: 3/4/4/2/4/3
			[[Bestand:Exam_Organic_Chemistry_23_January_2025.jpg]]

	===10 January 2025===		===10 January 2025===
	Last question was on 3 instead of 4 points.		Last question was on 3 instead of 4 points.

R0893093: /* Examenvragen */

2025-01-11T08:33:30Z

Examenvragen

← Oudere versie		Versie van 11 jan 2025 10:33
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===10 January 2025===		===10 January 2025===
	~~#(3pt) Antracene will dimerize (like~~ on ~~wikipedia: https~~:~~//nl.wikipedia.org/wiki/Antraceen). Say if this happens thermally or photophysical. Explain this with the Woodhard~~-~~Hoffmann rules and frontier molecular orbitals. This was possible 4+4 but 8+8 was also correct~~.		Last question was on 3 instead of 4 points.
	~~#(4pt) Give the mechanism for the following scheme~~		[[Bestand:examen_organic-11012025.jpg]]
	~~#(4pt) Give the mechanism for the following scheme (You had to make it a carbene first)~~
	~~#(3pt)~~
	~~#(3pt) What will be the end product? (You had to use Ritter or Pinner reaction)~~
	~~#(3pt) How will this react? Give the two isomers.~~

	===26 January 2023===		===26 January 2023===

R0877209: /* Examenvragen */

2025-01-10T19:14:50Z

Examenvragen

← Oudere versie		Versie van 10 jan 2025 21:14
Regel 2:		Regel 2:

	==Examenvragen==		==Examenvragen==
			===10 January 2025===
			#(3pt) Antracene will dimerize (like on wikipedia: https://nl.wikipedia.org/wiki/Antraceen). Say if this happens thermally or photophysical. Explain this with the Woodhard-Hoffmann rules and frontier molecular orbitals. This was possible 4+4 but 8+8 was also correct.
			#(4pt) Give the mechanism for the following scheme
			#(4pt) Give the mechanism for the following scheme (You had to make it a carbene first)
			#(3pt)
			#(3pt) What will be the end product? (You had to use Ritter or Pinner reaction)
			#(3pt) How will this react? Give the two isomers.

	===26 January 2023===		===26 January 2023===
	IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive, you can find everything without structural mistakes for this specific exam. https://docs.google.com/document/d/1mfHLVkxhkN63DB88_RoDP4fWwyL5m0VA/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true		IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive, you can find everything without structural mistakes for this specific exam. https://docs.google.com/document/d/1mfHLVkxhkN63DB88_RoDP4fWwyL5m0VA/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true

R0804230: /* 26 January 2023 */

2024-01-11T19:46:01Z

26 January 2023

← Oudere versie		Versie van 11 jan 2024 21:46
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
	IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive you can find everything ~~correctly~~. https://docs.google.com/document/d/1mfHLVkxhkN63DB88_RoDP4fWwyL5m0VA/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true		IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive, you can find everything without structural mistakes for this specific exam. https://docs.google.com/document/d/1mfHLVkxhkN63DB88_RoDP4fWwyL5m0VA/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]

R0804230: /* 26 January 2023 */

2023-01-27T17:45:40Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 19:45
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
	IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive you can find everything correctly. https://docs.google.com/document/d/~~1076KR86PdTwE4jakAgw2e8KvuAksebex~~/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true		IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive you can find everything correctly. https://docs.google.com/document/d/1mfHLVkxhkN63DB88_RoDP4fWwyL5m0VA/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]

R0804230: /* 26 January 2023 */

2023-01-27T16:43:02Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 18:43
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
	IMPORTANT NOTE: The following ~~statements~~ contain a number of errors. In this drive you can find everything correctly. https://docs.google.com/document/d/1076KR86PdTwE4jakAgw2e8KvuAksebex/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true		IMPORTANT NOTE: The following exercise assignments contain a number of errors. In this drive you can find everything correctly. https://docs.google.com/document/d/1076KR86PdTwE4jakAgw2e8KvuAksebex/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]

R0804230: /* 26 January 2023 */

2023-01-27T16:41:26Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 18:41
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
			IMPORTANT NOTE: The following statements contain a number of errors. In this drive you can find everything correctly. https://docs.google.com/document/d/1076KR86PdTwE4jakAgw2e8KvuAksebex/edit?usp=sharing&ouid=101486339872913430382&rtpof=true&sd=true
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]

R0741494: /* 26 January 2023 */

2023-01-27T10:07:39Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 12:07
Regel 6:		Regel 6:
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]
	#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]		#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]
	#Discuss the mechanism of this reaction. No stereochemistry has to be explained [[Bestand:Exam_Question_4.png]]		#Discuss the mechanism of this reaction. No stereochemistry has to be explained (It's PPh3=CH2 btw, another mistake) [[Bestand:Exam_Question_4.png]]
	#Explain the following reaction. [[Bestand:Exam_Question_5.png]]		#Explain the following reaction. [[Bestand:Exam_Question_5.png]]

R0741494: /* 26 January 2023 */

2023-01-27T10:05:35Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 12:05
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone.[[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone)[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]
	#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]		#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]

R0741494: /* 26 January 2023 */

2023-01-27T10:05:21Z

26 January 2023

← Oudere versie		Versie van 27 jan 2023 12:05
Regel 3:		Regel 3:
	==Examenvragen==		==Examenvragen==
	===26 January 2023===		===26 January 2023===
	#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. [[Bestand:Exam_Question_1.png]]		#Devise a strategy to obtain following molecule using Tosylazide and Rhodium salt and any other reagent. No stereochemistry needs to be explained. (I drew the endproduct wrongly, one of the substituents is acetate not a ketone.[[Bestand:Exam_Question_1.png]]
	#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]		#Both products have a common intermediate. Explain in detail how these products are formed [[Bestand:Exam_Question_2.png]]
	#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]		#Discuss the mechanism to obtain following products [[Bestand:Exam_Question_3.png]]
Regel 10:		Regel 10:

	PS: I might be wrong on questions 3b and 5. I'm going off of memory here.		PS: I might be wrong on questions 3b and 5. I'm going off of memory here.

	===27 januari 2022===		===27 januari 2022===
	Door Corona was er dit jaar geen mondeling. Hierdoor was de moeilijkheidsgraad van de vragen iets lager. Professor Dehaen stuurt immers normaal gezien veel bij tijdens het mondeling. Indien er dus wel terug mondelinge examens kunnen plaatsvinden zijn de examenvragen van eerdere jaren representatiever.		Door Corona was er dit jaar geen mondeling. Hierdoor was de moeilijkheidsgraad van de vragen iets lager. Professor Dehaen stuurt immers normaal gezien veel bij tijdens het mondeling. Indien er dus wel terug mondelinge examens kunnen plaatsvinden zijn de examenvragen van eerdere jaren representatiever.