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19.7b Wittig Reaction | Organic Chemistry

Chad provides a comprehensive lesson on the Wittig reaction (aka Wittig Alkene Synthesis), which converts ketones and aldehydes to alkenes. The entire Wittig reaction mechanism is covered both for the nucleophilic addition of triphenylphosphine, for the formation of the phosphoylide, and for the formation of the alkene. The Wittig reaction is also examined from the standpoint of retrosynthesis, to help you determine which side of the product alkene is more likely derived from a ketone/aldehyde and which side from the ylide (and ultimately an alkyl halide). If you want all my study guides, quizzes, and practice exams, check out my premium course at https://www.chadsprep.com/organic-che... 00:00 Lesson Introduction 00:51 Introduction to the Wittig Reaction 03:57 Wittig Reaction Mechanism 06:47 Formation of Phosphoylides https://www.chadsprep.com/