1Help me solve pic problem steps by steps As much as possibl

Solution

find the isomersim for R² to R²

You don\'t need many trial and error but you need a few

You know that the ester group is

COO

The general formula for the ester is

R1COOR2

You also know that you have C4H10 to play with

So if R1 = H

R2 = C4H7

There are 4 structural isomers of C4 H7

They are n-butyl CH3CH2CH2CH2-

isobutyl or 3methylpropyl

(CH3)2CHCH2

sec-butyl or 2methylpropyl

CH3CH(CH3)CH2-

(by the way, this one is chiral so it really is 2 isomers)

t-butyl or 1,1-methylethyl

(CH3)3C-



If R1 = CH3 Then R2 = C3H7

There are 2 isomers of C3H7

n-propyl CH3CH2CH2

iso-propyl or 1methylethyl (CH3)2CH-

If R1 = CH3CH2 then R2 = CH3CH2- there is only one isomer

If R1 = C3H7 then R2 = CH3 As mentioned above, there are 2 isomers of C3H7

If R1 = C4H9 then R2 = H. That\'s not an ester. If R2 = H, it\'s a carboxylic acid.

So of the formate ester, 4 structural isomers one of which is chiral and has two stereoisomers for a total of 5 isomers

of the acetate ester, 2 structural isomers

of the propionate ester, 1 structural isomer

of the butrate ester, 2 structural isomers

no pentanoate esters

A total of 9 structural isomers one of which is chiral for a total of 10 isomers.