Predict the major product(s) of the following reaction. For all reactions that are not stereospecific, identify all correct stereoisomers. b B) D) E) F) To OH + Br OH + OH Ph Ph OH 1. C.H.MgBr, ether 2. H₂O 'Br
Reactive Intermediates
In chemistry, reactive intermediates are termed as short-lived, highly reactive atoms with high energy. They rapidly transform into stable particles during a chemical reaction. In specific cases, by means of matrix isolation and at low-temperature reactive intermediates can be isolated.
Hydride Shift
A hydride shift is a rearrangement of a hydrogen atom in a carbocation that occurs to make the molecule more stable. In organic chemistry, rearrangement of the carbocation is very easily seen. This rearrangement can be because of the movement of a carbocation to attain stability in the compound. Such structural reorganization movement is called a shift within molecules. After the shifting of carbocation over the different carbon then they form structural isomers of the previous existing molecule.
Vinylic Carbocation
A carbocation where the positive charge is on the alkene carbon is known as the vinyl carbocation or vinyl cation. The empirical formula for vinyl cation is C2H3+. In the vinyl carbocation, the positive charge is on the carbon atom with the double bond therefore it is sp hybridized. It is known to be a part of various reactions, for example, electrophilic addition of alkynes and solvolysis as well. It plays the role of a reactive intermediate in these reactions.
Cycloheptatrienyl Cation
It is an aromatic carbocation having a general formula, [C7 H7]+. It is also known as the aromatic tropylium ion. Its name is derived from the molecule tropine, which is a seven membered carbon atom ring. Cycloheptatriene or tropylidene was first synthesized from tropine.
Stability of Vinyl Carbocation
Carbocations are positively charged carbon atoms. It is also known as a carbonium ion.
![Predict the major product(s) of the following reaction. For all reactions that are not
stereospecific, identify all correct stereoisomers.
b
B)
G
D)
E)
F)
l
H
Ph
H
H
H
ОН
Ph
OH
'Ph
Br
OH
Ph
ОН
I
H 'Br
Ph
1. C.H.MgBr, ether
2. H₂O
OH
I](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feea949d2-2d85-47eb-8415-496b9749d6fb%2F8f89372f-8830-45d8-9daf-d747c3c2d1be%2Fb0psfc_processed.jpeg&w=3840&q=75)
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