Provide the structure of the major organic product which results when CH_{3}CH_{3}l is treated...

Question:

Provide the structure of the major organic product which results when {eq}CH_{3}{/eq}{eq}CH_{2}{/eq}{eq}I{/eq} is treated with {eq}PPh_{3}{/eq} and the resulting salt is reacted with one equivalent of butyllithium.

Phosphonium ylide

Phosphonium ylide is an organic compound in which positively charged phosphorous atom is directly bonded to negatively charged carbon atom. It exists as two resonating structures.

Answer and Explanation:

When iodoethane reacts with triphenyl phosphine, bimolecular nucleophilic substitution reaction occurs to form an intermediate.

The so formed...

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Learn more about this topic:

The Wittig Reaction & Alkene Synthesis: Definition & Examples
The Wittig Reaction & Alkene Synthesis: Definition & Examples

from Chemistry 304: Organic Chemistry II

Chapter 2 / Lesson 14
548

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