Identify reagents that can be used to achieve the following transformation: OH The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correc solution, provide just one answer. C Mel Br2 HC=CNa F TSCI, pyridine H2, Lindlar's catalyst Na, NH3 (1) G H. 1) xs NaNH2 2) H20 1) O3 t-BUOK 2) DMS
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.
![**Identifying Reagents for Organic Transformation**
**Problem Statement:**
Identify reagents that can be used to achieve the following transformation:
The starting material is a phenol (benzene ring with an -OH group), and the product is a phenylacetylene (benzene ring with an ethynyl group).
**Guidelines:**
The transformation above can be performed with some reagent or combination of the reagents listed below. Provide the necessary reagent(s) in the correct order as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer.
**Reagents List:**
A. MeI
B. Br<sub>2</sub>
C. HC≡CNa
D. TsCl, pyridine
E. H<sub>2</sub>, Lindlar's catalyst
F. Na, NH<sub>3</sub> (l)
G. 1) xs NaNH<sub>2</sub>
2) H<sub>2</sub>O
H. 1) O<sub>3</sub>
2) DMS
I. t-BuOK](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5506caf-a01c-4826-9c42-226e3ba24af4%2F44aff137-6651-4c2d-ac3e-162c9e79cb2f%2Feq8p5na_processed.jpeg&w=3840&q=75)
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