1) Predict the major product of each of the following Diels-Alder Reactions 2) What compound could...
Predict the product in each of the following Diels-Alder reactions. Predict the product in each of the following Diels-Alder reactions. Cyclopentadience reacts as a diene in the Diels-Alder reaction a great deal faster than does 1,3-butadience. Explain. Predict the diene and dienophile that would lead to each of the following products.
(a) Pericyclic Reactions Predict the major product of each of the following Diels-Alder cycloadditions. Your answer should include an explanation of the regio- and stereoselective outcome of each reaction. NHCH Ph (b) Use the frontier molecular orbital approach to predict the stereochemical outcome of the following 4x electrocyclic, ring-closing reactions. (c) Give a mechanism for each step in the following reaction, showing the key conformer which accounts for the observed stereochemistry of the product. 1. Me (OE) Qara Qar (d)...
Post- Laboratory Questions: 1. Draw the product of the following Diels-Alder reactions 2. What starting materials would be used to prepare the following compound by the Diels- Alder reaction? 3. Cyclopentadiene dimerizes easily. Before using cyclopentadiene in a reaction, it is necessary to crack the diene. Draw the Diels-Alder reaction for the dimerization of cyclopentadiene. 4. What are the products of the following Diels-Alder reactions? Show the stereochemistry where applicable
Predict the product for the following Diels-Alder reaction? 1. Predict the product for the following Diels-Alder reaction. COCH3 COCH3 CCH3 OCH3 OCH3 IV A) I B) II C) III IV E) None of these
Predict the major product of the following reaction (Diels-Alder): Predict the major product of the following reaction: Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default.
predict the major products of the following Diels-Alder reactions showing relative stereochemistry where appropriate. Diels-Alder СН3 H Diels-Alder + CO2CH3 Diels-Alder CN OCH3
2) Predict the starting materials for the following Diels-Alder product: ० H क 3) Some highly fused ring systems can be made through an intramolecular Diels-Alder reaction. Suggest a mechanism for the following reaction:
Intramolecular Diels-Alder reactions have become increasingly important in synthesis. Draw carefully the structure of the product expected from heating the following compound. What is the minimum value of (n) necessary to allow the intramolecular reaction to proceed? (Models are useful here). w o CO2Et
Predict the product of the Diels-Alder reaction of this compound with cyclopentadiene. Draw your product in the window below.
predict the major product of the following does-alder reaction 8. Predict the major product of the following Diels-Alder reaction. (4 points) + CN &