1) Indicate the major product of the following reaction: HOH2C CH;OH / HCI но но HO, HO H3COH2C H,CO H,CO- HOH C но- HO. ОН ОН О H3COH2C H,CO H,Co HOH2C но HO OCH H3CO. OCH3 OCH3 HO H. OCH3 OCH3 (A) OH + anomer он он + anomer (В) (D) (E) O (A) O (B) O (C) O (D) (E)
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.
![1) Indicate the major product of the following reaction:
HOH2C
CH3OH/HCI
но
Но
?
HO,
HO
H3COH2C
H,CO
H,CO-
HOH C
но-
HO.
ОН ОН О
H3COH2C
H,CO
H,Co
HOH2C
но-
HO
OCH H3CO.
OCH3
OCH3
HO
H.
OCH3
OCH3
(A)
OH
+ anomer
он он
+ anomer
(В)
(D)
(E)
O (A)
O (B)
O (C)
O (D)
(E)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c8fa6e5-e610-46b0-a4fa-f7f21ad8eded%2F7920ec8b-3d1b-442a-94e5-16ac31c9d1c5%2Fj8vacio_processed.jpeg&w=3840&q=75)
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