This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is not an electrocyclic reaction? a. b. c. ... (Read 35 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Aug 23, 2018
Which of the following is not an electrocyclic reaction?
   
  a.
 


   


   
  b.
 


   


   
  c.
 


   


   
  d.
 


   


   
  e.
  All are electrocyclic reactions.

Question 2

The photochemical cycloaddition of the structure below is related to DNA mutations causing skin cancer. Draw the structure of this dimer. Atoms other than carbon and hydrogen are labeled.
 
   


 

Question 3

Draw the structure of the product when the following substance reacts with maleic anhydride. Classify the reaction according to the number of  electrons that interact. Atoms other than carbon and hydrogen are labeled.
 
   


 

Question 4

Define a pericyclic reaction.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Aug 23, 2018
Answer to Question 1

e

Answer to Question 2

2+2 cycloaddition occurs due to photochemical conditions.



Answer to Question 3

4+2



Answer to Question 4

A concerted reaction through a cyclic transition state. Occurs in one step without the formation of intermediates.


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Aug 23, 2018
Excellent

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

The steps of an enzyme-catalyzed reaction The steps of an enzyme-catalyzed reaction
reaction system of photosynthesis reaction system of photosynthesis
Antibody techniques. The specific reaction of an antibody with its antigen Antibody techniques. The specific reaction of an antibody with its antigen
A typical reaction in which NAD+ acts as an oxidizing agent A typical reaction in which NAD+ acts as an oxidizing agent
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
The Witting Reaction The Witting Reaction
Video: Secondary Active Transport

For a complete list of videos, visit our video library