Step 2 in the following reaction is an example of: Select one: a cycloaddition reaction a...
What is the correct classification of the following pericyclic reaction? -- O electrophilic addition O sigmatropic rearrangement O cycloaddition O electrocyclic reaction cycloaddition and electrocyclic reaction O
What is the correct classification of the following pericyclic reaction? X= heat O O A. electrophilic addition B. sigmatropic rearrangement O O O C. cycloaddition D. electrocyclic reaction E. C and D
4 Questions. I'll rate if they are correct! QUESTION 1 What is the overall yield of Product D in the following step-wise synthesis? The % yield of each step is noted at the bottom of each arrow. Step 1 Step 2 Step 3 А B D 90% 80% 70% 50% O 60% O 70% 80% QUESTION 2 What is the overall yield of Product E in the following convergent synthesis? The % yield of each step is noted at the...
9. What is the common name for the following compound? A) I-butoybutane B) sec-butyl isopropyl ether C) sec-butyl t-butyl ether D) n-butyl isopropyl ether E) none of these 10. What is the correct classification of the following pericyclic reaction? heat A) electrophilic addition B) sigmatropic rearrangement C) cycloaddition D) electrocyclic reaction E) C&D 11. What is the IUPAC name for the following compound? A) E-4-isopropoxy-4,5-dimethylhex-2-ene B) (1S,38)-1-ethoxy-3-methylcyclohexane C) (2S,5R)-5-ethoxy-2-octanol D) 1,1,1-triethoxyethane
According to Hammond Postulate, for an exergonic reaction step, select one Consider the following reaction:, the reaction shown is an example of, select one or more According to the Hammond Postulate, for an exergonic reaction step а Select one: a. The step is rate-determining because it has the largest EQ b. The step is rate-determining because it has the smallest E c. The transition state resembles the reactants of the step d. The transition state has bond-breaking and bond-forming occurring...
3. The following reactions used in organic syntheses involve pericyclic reactions. Illustrate the cyclic redistribution of electrons for the pericyclic reaction involved in each case and give the name of the type of reaction, e.g. [3,3] sigmatropic rearrangement, ene reaction, or [4+2] cycloaddition. Me ^ OMe Me + Ome 200°C, 12 h Оме ow.cssong reflux, 22 h hy acetophenone (sensitizer) Et,0, 36-48 h
So i got an 80 and i am not sure which two i got wrong. each question is worth 10 points. If someone could please help find which two i got wrong it would be greatly appreciated! I will rate! QUESTION 1 What is the overall yield of Product D in the following step-wise synthesis? The % yield of each step is noted at the bottom of each arrow. Step 1 Step 2 Step 3 А B D 90% 80%...
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
5. Draw the product of the [2 2] cycloaddition reaction of thymine. light
QUESTION 10 Identify the product for the following sigmatropic rearrangement. O A. 0 B. II O C.III O D.IV O E. None of the above are correct. QUESTION 9 Predict the product for the following sigmatropic Claisen rearrangement. он OH IV O A. - OB. II O C. III O D. IV O O E. V QUESTION 8 Which diene and dienophile would react to give the following Diels-Alder product? 공동 10H 우 우 이에 그 OAT B. II oooo...