In a stereospecific wittig reaction: Discuss the betaine intermediate of the Wittig reaction and why the...

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Chemistry

In a stereospecific wittig reaction: Discuss the betaineintermediate of the Wittig reaction and why the stereochemistry ofthe intermediate determines the stereochemistry of the alkeneproduct.

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SolutionThe Wittig reaction has beendescribed as a stepwise ionic processThe hypothetical betaineintermediates were never observed but lithium halide adducts couldbe isolated in some of the early Wittig experiments    See Answer
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