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The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:
- a)
- b)
- c)
- d)
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
The major product formed in the reaction of (S)-1, 2, 4-butanetriol wi...
Firstly Five membered ring is more stable than 6 membered ring due to angle strain factor..
Angle strain in five membered ring - 0.5
Angle strain in 6 membered ring - 5.5
Secondly attack to Carbonyl Carbon is according to the burgidunitz trajectory and CH2-CH2- OH is a large chain wrt CH2 - OH.
Hence Five membered ring formation favoured.
Option a,b is eliminated
3rdly, Configuration of chiral centre in triol molecule should be retained during the course of the reaction.
In opt c , it is S
In opt d, it is R
Hence Option "c" is the correct answer.
Angle strain in five membered ring - 0.5
Angle strain in 6 membered ring - 5.5
Secondly attack to Carbonyl Carbon is according to the burgidunitz trajectory and CH2-CH2- OH is a large chain wrt CH2 - OH.
Hence Five membered ring formation favoured.
Option a,b is eliminated
3rdly, Configuration of chiral centre in triol molecule should be retained during the course of the reaction.
In opt c , it is S
In opt d, it is R
Hence Option "c" is the correct answer.
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The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer?.
The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The major product formed in the reaction of (S)-1, 2, 4-butanetriol with 3-pentanone in the presence of a catalytic amount of pTSA is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer?.
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