The absolute configurations at the two chiral centers in D-Ribulose are · ABC26OR0801
Subject: Organic Chemistry · Chapter: Natural Products · Topic: Natural Products & – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
The absolute configurations at the two chiral centers in D-Ribulose are 
(a)$3\mathrm{R},\ 4\mathrm{R}$
(b)$3\mathrm{R},\ 4\mathrm{S}$
(c)$3\mathrm{S},\ 4\mathrm{R}$
(d)$3\mathrm{S},\ 4\mathrm{S}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
D-Ribulose is the 2-ketopentose with both C-3 and C-4 hydroxyls on the right in the Fischer projection: (3R,4R).
Study loop for Natural Products