1 answer

Please provide some type of explanation for each question and thank you for your help in...

Question:

Please provide some type of explanation for each question and thank you for your help in advance. 24. What is the major organic product obtained from the following Suzuki reaction? B(OH2 PAOAC Narcos a 1 b. 2 c. 3 d. 4 25.

24. What is the major organic product obtained from the following Suzuki reaction? B(OH2 PAOAC Narcos a 1 b. 2 c. 3 d. 4 25. What is the major organic product obtained from a following Heck reaction? Bisla) PdOAC) NaoMe b. 2 26. What is the IUPAC name of the following compound? a 2,4-dibromotoluene b. 2,4-dibromophenol c. 2,4-dibromohydroxybenzene d. 4,6-dibromophenol

Answers

24. Option 2 will be the right answer. since trans product has less steric hinderance that forms out as a major product. Initially oxidative addition between Pd and R-X(double bond compound) takes place the transmetallation followed by reductive elimination occurs. During transmetallation 2 intermediate possible leading to 1 and 2 as product but the Major product will be the Option 2.

25.

In the Heck coupling Option 2 will be the correct answer. The catalyst form complex with alkenyl compound by oxidative addition, then Pd-pie complexation occurs followed by reductive elimination leading to Option 2 as the product.

26. The IUPAC name of the compound is Option 2: 2,4-dibromophenol.

.

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