Study Notes On SHAPIRO REACTION (Chemical Science) - Download PDF!

By Renuka Miglani|Updated : January 30th, 2023

Are you an Aspirant of CSIR-NET and looking for some short and reliable notes for Chemical Sciences to strong your base for preparations? We have got you covered!

Candidates preparing for their CSIR NET exam can really make their preparation journey easier with the help of some reliable study notes that covers the topics in the most simple way. We at BYJU'S Exam Prep have come up with the idea of providing short notes on Shapiro Reaction, which comes under the Organic Chemistry section of the Chemical Science syllabus. 

The short note on Shapiro Reaction is developed by our experienced subject-matter experts to provide you with the most standard and authentic set of study materials to be focused upon. The students need the best resources for their preparation to clear the CSIR NET examination, Here are the most reliable study notes to make the topics easier for you and also help you to save your time for the preparations for the upcoming CSIR-NET 2023 exam.

Study Notes On Shapiro Reaction

The Shapiro reaction is also known as the Tosyl hydrazone decomposition reaction.

The conversion of Tosyl hydrazone of aldehyde or ketone to an alkene with a strong base, like – LDA and BuLi.

In other words, it can be stated as – a reaction in which a ketone or aldehyde is converted to an alkene through an intermediate ‘hydrazone’ in presence of two equivalents of organolithium reagent.

Note: This reaction generates the least substituted alkenes.

General Reaction -


Reaction Mechanism -


Example -


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