The reaction of 2 − bromo − 3 − phenylbutane with sodium methoxide that shows major and minor products is to be drawn. Concept introduction: The chemical reaction that consists of an alkyl halide , a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution. The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E 2 elimination reaction.

[{'sectionSequence': 0, 'sectionHeaderText': '

(a)

\r\n', 'solutionSubsections': [{'sectionName': 'Interpretation Introduction', 'sectionText': "\r\n

Interpretation:

\r\n

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

\r\n

Concept introduction:

\r\n

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

\r\n

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

\r\n", 'sectionSequence': 0, 'computed': {'sectionNameWithHtmlRemoved': 'Interpretation Introduction', 'sectionTextWithHtmlRemoved': 'Interpretation: The reaction of 2 − bromo − 3 − phenylbutane with sodium methoxide that shows major and minor products is to be drawn. Concept introduction: The chemical reaction that consists of an alkyl halide , a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution. The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E 2 elimination reaction.'}}, {'sectionName': 'Explanation', 'sectionText': '\r\n

\r\n

The mechanism for the reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is shown below.

\r\n

\r\n

Figure 1

\r\n

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is shown below.

\r\n

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(b)

\r\n', 'solutionSubsections': [{'sectionName': 'Interpretation Introduction', 'sectionText': '\r\n

Interpretation:

\r\n

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

\r\n

Concept introduction:

\r\n

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

\r\n

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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(c)

\r\n', 'solutionSubsections': [{'sectionName': 'Interpretation Introduction', 'sectionText': '\r\n

Interpretation:

\r\n

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

\r\n

Concept introduction:

\r\n

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

\r\n

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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(d)

\r\n', 'solutionSubsections': [{'sectionName': 'Interpretation Introduction', 'sectionText': '\r\n

Interpretation:

\r\n

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

\r\n

Concept introduction:

\r\n

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

\r\n

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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