Science, asked by relansujata, 15 days ago

Question 2 :
Formation of provitamin D2 from
ergosterol takes place by
Electrocyclic ring opening
Electrocycling ring closure
Cycloaddition
Sigmatropic​

Answers

Answered by abhishekkulbainur
0

Answer:

Electrocyclic ring-opening

Firstly, in the presence of heat, electrocyclic-ring opening takes place (there is no possibility of sigmatropic rearrangement) and after ring opening it acts as diene and undergo [4+2] cycloaddition reaction, i.e., Diels-Alder reaction

Previous Question
Next Question
Similar questions
Physics, 7 days ago
Intigrate (1/(1-cos x))dx​...
English, 7 days ago
Change the voice of these sentences and rewrite them. 1)The use of cameras has been prohibited by the organi​...
Math, 7 days ago
Express 120 as a product of its prime numbers?
Accountancy, 15 days ago
Activity: 04 Show the accounting equation for the following transactions and fill the table. 1) Mr. Manohar started business with 75,000. 2) Purchase Stationery * 1,000 3) Bought goods 6,000 from Mohan. Sold goods to Radha 10,000. 5) Purchase Mobile For business 2.000. 6) Sold goods costing * 20,000 at a profit of 5,000. 7) Paid salary * 2,500. ​
Math, 15 days ago
evalute and express as mixed fraction 1/2 of 2(3/4)​...
English, 7 months ago
Ruchi ran very fast change in negative form...
Hindi, 7 months ago
How to write a letter to my aunt about spending my summer holidays.
English, 7 months ago
What is the dream of Matilda...