Predict the major organic product(s) in the reactions below, and draw out the reaction mechanism with electron pushing arrows. a). (CH3)3CCH₂OH + HBr → b). MgBr 1. CO₂ 2. H₂O* 3. CH₂CH₂CH₂OH, H*
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.
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![c),
d).
SO,H
-OCH,
HNO₂, H₂SO₂
CH,CH,NH, HẠ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fce812b0b-12d6-481c-886d-d75f0da7f920%2Fdef38a50-7e18-48e4-878f-bc54449e079d%2Fq218ykv_processed.jpeg&w=3840&q=75)
![Predict the major organic product(s) in the reactions below, and draw out the reaction
mechanism with electron pushing arrows.
a). (CH3)3CCH₂OH + HBr →
b).
MgBr
1. CO₂
2. H₂O*
3. CH₂CH₂CH₂OH, H*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fce812b0b-12d6-481c-886d-d75f0da7f920%2Fdef38a50-7e18-48e4-878f-bc54449e079d%2Fripe2vk_processed.jpeg&w=3840&q=75)
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