1) Predict the products of the following reactions: COOH CN + COOH NC a) b) 2)...
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:
If you could show mechanism that would be helpful 4. Predict products for the following reactions. Indicate stereochemistry where available. NC high temperature retro Diels-Alder 5. Draw the MAJOR potential bicyclic Diels-Alder product for the reaction below.
1) Predict the major product of each of the following Diels-Alder Reactions 2) What compound could be used to make the product below in an intramolecular Diels-Alder Reaction? O,
Predict the product(s) for the following reaction series: НО 1) NaH 2) Br HO Nao Choose the correct starting materials for the following Diels-Alder product: CHO CHO CHO + CHO CHO + ( CHO CHO CHO CHO a CHO Predict the product of the following reaction series: NH3, HCI NaCNH of heat NH NH; COOH NH, CN NH;
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.
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
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 products of the following Diels-Alder reactions. Include Stereochemistry where appropriate 1. b) heat heat COOH COOH d) OCHa c) heat heat 0. CHO e) heat heat 9) h) 0 CHO heat heat 0
3 and 5 please 2) Draw the expected products/reagents for the following Diels-Alder reactions: (8 pts) Crl CN CN a. 3. CN 4. CN CN CN OMe
(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)...