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What is the systematic name of the following amino acid, which is commonly known as asparagine?
  • a)
    (R)-2-amino-3-carboxylbutanamide
  • b)
    (S)-2-amino-3-carbomylpropanoic acid
  • c)
    (R)-3-amino-3-carboxylpropanamide
  • d)
    (S)-2-amino-4-carbomylbutanoic acid
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What is the systematic name of the following amino acid, which is comm...
In naming any compound systemically, we must determine the primary substituent group which will become the suffix. Here it is the carboxylic acid group. We are looking for some kind of -oic acid.
We can determine the stereochemistry of the compound, which is (S), and that is shown below:
Technically, we should have the answer with those two pieces of information, but there are two answers with To be thorough, the next step in IUPAC nomenclature is to find the longest carbon chain starting at the carbon of the carboxylic acid. It would seem it would be 4 carbons, but it will be only 3 carbons because of the amide group as a prefix.
The amine group at C-2 will become 2-amino, and the amide group attached at C-3, the substituent including the carbon, will become 3-carbamoyl and not 4-carbamoy
The name of the compound is (S)-2-amino-3-carbomylpropanoic acid.
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Most Upvoted Answer
What is the systematic name of the following amino acid, which is comm...
In naming any compound systemically, we must determine the primary substituent group which will become the suffix. Here it is the carboxylic acid group. We are looking for some kind of -oic acid.
We can determine the stereochemistry of the compound, which is (S), and that is shown below:
Technically, we should have the answer with those two pieces of information, but there are two answers with To be thorough, the next step in IUPAC nomenclature is to find the longest carbon chain starting at the carbon of the carboxylic acid. It would seem it would be 4 carbons, but it will be only 3 carbons because of the amide group as a prefix.
The amine group at C-2 will become 2-amino, and the amide group attached at C-3, the substituent including the carbon, will become 3-carbamoyl and not 4-carbamoy
The name of the compound is (S)-2-amino-3-carbomylpropanoic acid.
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Question Description
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