Fill in the blank for the following syntheis problem. Explain your answers where

Question

Fill in the blank for the following syntheis problem. Explain your answers wherever you can

DBr (1 eq0 E Br Br Br Look at the given substances. Fill in the blanks with the single letter code of the appropriate product/intermediate or the appropriate descriptive vocabulary word/phrase to complete the description. Remember the computer is very literal so check your spelling carefully! Note: D m Deuterium, an isotope of hydrogen and reacts the same way, but is visible in NMR. If this reaction is allowed to occur under cold conditions the major product will be compound The reaction will be under (thermodynamic /kinetic) control and we form the most stable (intermediate product) If we add a second equivalent of DBr, at the same cold temperature the major product will be compound If this reaction is allowed to occur with heat the major product will be compound The reaction will be under (thermodynamic /kinetic) control and we form the most stable (intermediate product) If we add a second equivalent of DBr at the same temperature the major product will be a mix of compounds and

Explanation / Answer

1. L (Direct or 1,2 addition across the double bond. 1, 2 refers to the position of D and Br respectively)

2. Kinetic control (At low temperatures the products formed are from low activation energy.)

3. Intermediate (the stable product is always the thermodynamically stable product)

4. O

5. N (1,4 addition)

6. Thermodynamic

7.Stable

8. M and G

9. H

10. F

11. E

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