00:01
Question 20.
00:02
Question 20 requires to write the mechanism for this reaction.
00:38
So we have a rignan reaction and another esther.
00:43
Now we just write mechanism.
00:46
You have the mechanism of rit nya reaction and esther in question 14.
00:53
So let's look at that question 14 and review if you want to make master in this subject.
01:09
So this will go to this cabin and reduce this one.
01:28
And you have the maniasium.
01:57
So this will go back this side.
02:01
And then you will go this, and the ring will open.
02:46
Now you got this one.
02:53
You continue to another creatine reaction...