Problem: Identify the indicated hydrogens in the molecules below as pro-R or pro-S.cysteineHa: a) pro-R b) pro-SHb: a) pro-R b) pro-S2-deoxyribose Ha: a) pro-R b) pro-SHb: a) pro-R b) pro-SHc: a) pro-R b) pro-SHd: a) pro-R b) pro-S
FREE Expert Solution
For S and R configuration:
When H is at the back (dash)
- S → counterclockwise
- R → clockwise
Higher atomic number → higher priority (1- highest, 4 - lowest)
When H is not at the back (flipped)
- S → clockwise
- R → counterclockwise
Problem Details
Identify the indicated hydrogens in the molecules below as pro-R or pro-S.
cysteine
Ha: a) pro-R b) pro-S
Hb: a) pro-R b) pro-S
2-deoxyribose
Ha: a) pro-R b) pro-S
Hb: a) pro-R b) pro-S
Hc: a) pro-R b) pro-S
Hd: a) pro-R b) pro-S
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Prochirality concept. If you need more Prochirality practice, you can also practice Prochirality practice problems.