#21 Be sure to answer all parts.Devise a synthesis of X from the given starting materials. You may use any inorganic or organic reagents.Part 1 out of 3HX+Draw the product of the Diels-Alder reaction. Be sure to include stereochemistry (use hashed wedgedbonds to show endo bonds or wedged bonds to show exo bonds).0.s+draw structure ...

The given compound can be synthesized based on the diels alder reaction.

Be sure to answer all parts. Devise a synthesis of X from the given starting materials. You may use any inorganic or organic reagents. Part 1 out of 3 H Draw the product of the Diels-Alder reaction. Be sure to include stereochemistry (use hashed wedged bonds to show endo bonds or wedged bonds to show exo bonds). D.fs + A draw structure ...

Be sure to answer all parts. Devise a synthesis of X from the given starting materials. You may use any inorganic or organic reagents. Part 1 out of 3 H Draw the product of the Diels-Alder reaction. Be sure to include stereochemistry (use hashed wedged bonds to show endo bonds or wedged bonds to show exo bonds). D.fs + A draw structure ...

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter19: Eas: Electrophilic Aromatic Substitution

Section: Chapter Questions

Problem 3CTQ

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3) In a recently-published synthesis of yohimbine (used in folk medicine as an aphrodisiac), the Diels-Alder reaction was used to form a new ring during a key step. 7 R N- -CVI O Spring OtBu Diels-Alder a. Draw a circle around the four atoms of the diene group in this molecule. b. Draw a square around the two atoms of the best dienophile group in this molecule. c. Draw the product of this reaction, ignoring stereochemistry.
Draw the diene and dienophile that are needed to prepare the following Diels-Alder product. Diene: draw structure. Dienophile: draw structure ..
1. Consider the following reaction. CI EtOH OEt a. Provide a reasonable arrow-pushing mechanism for the following reaction, showing all steps and balancing all charges. b. Predict the stereochemistry of the final product(s). c. Label the electrophilic sites on the molecule and explain why only one of them undergoes substitution.
b.) Draw the major product for the following reaction. heat c.) Please draw the anticipated product from this Diels-Alder reaction. Hint: anthracene's middle phenyl ring contains a reactive diene. CO2ME MeO2C heat 3.) For the following intermediates, please draw as many resonance contributors that you can come up with. Then circle the highest contributor and draw a hybrid resonance illustration for each molecule. 2
1. Circle the aromatic molecules NOTE: bicyclic compounds with just one aromatic ring are still considered aromatic molecules 2. Provide the major organic product of the following Diels-Alder Reaction. NC
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In a Diels-Alder reaction, compound will react the fastest and will react the slowest. CN NH2 CN CN IV A. I, I B. I, III C. II, V D. II, I E. IV, V O A C E > > B.
2. Please rank the following dienophiles in their rate of reaction with the same diene in a Diels-Alder reaction (i.e. 1= fastest or most reactive dienophile, 4 = slowest or least reactive dienophile). Put your answer on the line below each structure. 3. Please rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction (i.e. 1= fastest or most reactive diene, 4 = slowest or least reactive diene). Put your answer on the line below each structure. OMe OMe OMe |
Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. In progress Diene + Dienophile CH3 • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu.
QUESTION 2 The preparation of a Wittig salt from an alky halide and triphenylphosphine proceeds by a(n) O A. E2 O B. Sn2 OC. E1 O D. free radical O E. Sn1 mechanism. QUESTION 3 Which resonance structure is more reactive as a nucleophile? Ph Ph O A. 1 O B. 2 OC. both are equally reactive Click Save and Submit to save and submit. Click Save All Answers to save all answers. o search F10 F1 F2 F3 F4 F5 F6 23 2 3 4. 7 8 W Y UI
Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. Diene + Dienophile ? CH3 Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. Lits O. Sn [F CH3
3. Please rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction (i.e. 1 = fastest or most reactive diene, 4 = slowest or least reactive diene). Put your answer on the line below each structure. %3D OMe OMe OMe