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Which of the following reactions can be used for the synthesis of an alkene
- a)Chugaev reaction
- b)Dakin reaction
- c)Reimer-Tiemann reaction
- d)Wurtz-Fitting reaction
Correct answer is option 'A'. Can you explain this answer?
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Which of the following reactions can be used for the synthesis of an a...
The Chugaev reaction is a chemical reaction in which an alkane is converted into an alkene by treatment with hydrochloric acid and sulfur dioxide.
The Dakin reaction is a chemical reaction in which an aldehyde is converted into an alkyl hydrazine by treatment with hydroxylamine.
The Reimer-Tiemann reaction is a chemical reaction in which an aryl aldehyde is converted into a phenol by treatment with hydrochloric acid and a base.
The Wurtz-Fitting reaction is a chemical reaction in which two alkyl halides are converted into an alkane by treatment with sodium and an alkyl halide.
None of these reactions can be used for the synthesis of an alkene. Alkenes can be synthesized by a variety of methods, including the dehydration of alcohols, the addition of hydrogen halides to alkenes, and the reduction of alkyl halides or ketones.
Most Upvoted Answer
Which of the following reactions can be used for the synthesis of an a...
Chugaev reaction for the synthesis of an alkene
The Chugaev reaction is a method used for the synthesis of alkenes from alkyl halides. This reaction involves the elimination of a halogen atom and a proton from adjacent carbons to form a double bond.
Mechanism of the Chugaev reaction
- The reaction is typically carried out in the presence of a strong base, such as sodium ethoxide.
- The base deprotonates the hydrogen on the carbon adjacent to the halogen atom, forming a carbanion intermediate.
- The carbanion then eliminates the halogen atom, resulting in the formation of the alkene.
Example of the Chugaev reaction
- An example of the Chugaev reaction is the conversion of 2-bromobutane to 1-butene.
- In this reaction, sodium ethoxide is used as the base to deprotonate the carbon adjacent to the bromine atom, leading to the formation of 1-butene.
Advantages of the Chugaev reaction for alkene synthesis
- The Chugaev reaction is a simple and efficient method for the synthesis of alkenes from alkyl halides.
- It can be used to selectively form alkenes from specific starting materials.
In conclusion, the Chugaev reaction is a useful method for the synthesis of alkenes from alkyl halides. It offers a straightforward route to the formation of double bonds and can be a valuable tool in organic synthesis.
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Which of the following reactions can be used for the synthesis of an alkenea)Chugaev reactionb)Dakin reactionc)Reimer-Tiemann reactiond)Wurtz-Fitting reactionCorrect answer is option 'A'. Can you explain this answer?
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