5. Draw the product of the [2 2] cycloaddition reaction of thymine. light
please help 12. Each reaction below is a Diels-Alder cycloaddition. Draw the major pr addition. Draw the major product or the missing reactants. er of inco nation)
Draw one of the expected products of the Diels–Alder cycloaddition reaction shown below. Use wedge and dash bonds to show the stereochemistry. Draw one of the expected products of the Diels- Alder cycloaddition reaction shown below. Use wedge and dash bonds to show the stereochemistry. Diene Dienophile
Step 2 in the following reaction is an example of: Select one: a cycloaddition reaction a sigmatropic rearrangement an electrocyclic reaction a reverse cycloaddition reaction
2. Explain the regioselectivity observed in the product of the dipolar cycloaddition 3. Azides are often used in [3+2] cycloadditions to form fluorescent markers used in biochemistry What are some safety concerns of azides? 4. 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) CO2Et
Show the mechanism and the product of [3+2] cycloaddition (compound 6) 11. Show the mechanism and the product of [3+2] cycloaddition (compound 6) CO2Me Me [3+2] cycloaddition Me hydroxynicotine
Draw the major organic product obtained from the following reaction? 2. Draw the major organic product obtained from the following reaction? 3. Draw the major organic product obtained from the following reaction? 4. Draw the major organic product obtained from the following reaction? 5. Draw the major organic product obtained from the following reaction?
Answer is (III) please show the mechanism thoroughly. also, explain what kind of cycloaddition reaction this is and explain why this is suprafacial or antarafacial bond formation 47) What is the major product of the following reaction? + CH2=CH2 heat » ? IV
Consider the Diels-Alder cycloaddition reaction below and complete parts (a)-(b) below. D = deuterium = 2H (a) Draw the major regioisomer (or in other words, constitutional isomer) expected to form. Also, draw appropriate resonance structures to explain why only one constitutional isomer is expected to form. Discuss the interactions between the diene and dienophile that govern this constitutional isomer being the only one expected. (b) Redraw the regioisomer from part (a) and show the appropriate stereochemistry using correct dash/wedge notation expected for the...
7. Draw the ketone intermediate and the final product from the following reaction. (5) Mai 2 Ketone Final Product 8. Draw the organic compounds from the following reaction sequence. (4) ol
Draw the structure of the product of the following ozonolysis reaction please help!!! 5) a) Draw the structure of the product of the following ozonolysis reaction: 1. O3, -78 °C 2. (CH3)2S