The structure of (2S, 3R)-2-amino-3-hydroxy butanoic acid is · ABC26OR0922
Subject: Organic Chemistry · Chapter: Stereochemistry · Topic: Stereochemistry – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium
The structure of (2S, 3R)-2-amino-3-hydroxy butanoic acid is
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
The source book printed no answer; this one was worked out and checked — see the explanation.
Explanation
(2S,3R)-2-amino-3-hydroxybutanoic acid is L-threonine. In the Fischer projection with COOH at the top, NH₂ is on the left at C-2 and OH on the right at C-3 (c).
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