Related Experiment Video
Updated: Jun 6, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
Cycloaddition chemistry of allenamides
Patricia E Standen1, Marc C Kimber
1Loughborough University, Department of Chemistry, Leicestershire, LE11 3TU, UK.
Allenamides, electron-deficient synthons, are versatile in cycloaddition reactions for creating novel heterocycles. This review highlights their applications and stereochemical prediction in synthesizing complex molecular architectures.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
Background:
- Allenamides serve as valuable electron-deficient synthons, analogous to allenamines.
- They are key intermediates in constructing complex molecular frameworks.
Purpose of the Study:
- To review research on allenamide cycloaddition reactions.
- To emphasize the prediction of stereochemical outcomes in these transformations.
- To highlight the synthetic utility of allenamides.
Main Methods:
- Literature review of allenamide-mediated cycloaddition reactions.
- Analysis of stereochemical control in allenamide transformations.
- Discussion of synthetic applications.
Main Results:
- Allenamides participate in diverse cycloaddition reactions.
- Novel heterocycles and molecular architectures are accessible.
- Methods for predicting stereochemical outcomes are presented.
Conclusions:
- Allenamides are under-utilized synthons with significant potential.
- Their application in cycloadditions facilitates the synthesis of natural product-like structures.
- Stereochemical prediction enhances their synthetic utility.
Related Concept Videos
Cycloaddition Reactions: Overview
Cyclohexenones via Michael Addition and Aldol Condensation: The Robinson Annulation
Cycloaddition Reactions: MO Requirements for Thermal Activation
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
Amines to Amides: Acylation of Amines
Next, the second equivalent of amine serves as a Brønsted base and deprotonates the quaternary amide...
Acid Halides to Amides: Aminolysis
In the first step of the aminolysis mechanism, the amine attacks the carbonyl carbon of the acyl chloride to form a tetrahedral intermediate. In the second step, the carbonyl group is re-formed with the elimination of a chloride...

