Concept explainers
Interpretation:
The R,S configurations of the three chirality centers in
Concept introduction:
The absolute configuration of a chirality center is determined on the basis of the Cahn-Ingold-Prelog rules.
As per CIP rules, the four groups attached to the chiral carbon are given priorities according to the
Hydrogen is always given the lowest priority as it is the lightest element.
If two atoms directly attached to the chiral carbon are the same, the atoms/groups attached to the two are compared to determine relative priority.
The arrangement of the three highest priority atoms/groups with the least priority atom/group at the back determines the absolute configuration. If they are arranged clockwise, the configuration is R. If arranged counterclockwise, the configuration is S.
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ORGANIC CHEMISTRY (LOOSELEAF)-PACKAGE
- Assign the absolute configuration of the chirality center as r or sarrow_forwardAssign the absolute configuration of the chirality center as R or S. CH2 HC "CH,Br C(CH3)3 F3C° R Osarrow_forwardNH2 N CH2 CH2 The stereochemistry around this chiral carbon is: O cannot be determined. O Rand S OR OSarrow_forward
- Is the Chirality center in the following compound R or S? Zエarrow_forwardTwo structures are shown. Identify the asymmetric carbons in each structure, classify as chiral or achiral, and identify the number of stereocenter(s). H. „CH3 H3C CH3 H H. CH3 compound A compound B Which image shows the asymmetric carbon(s) in compound A highlighted in red? CI H H3C CH3 H,C CH3 O Neither. There are no asymmetric carbons in compound A. H. H3C -CH3 C H3C CH3 Compound A is . There are stereocenters in compound A. Which image shows the asymmetric carbon(s) in compound B highlighted in reď? .CH3 H H. CH3 H3C.C H O Neither. There are no asymmetric carbons in compound B. Compound B is There are stercocenters in compound B. *Please explain all the questionsarrow_forwardClassify the following compounds as chiral, achiral (but not meso), or meso. 1st structure: 2nd structure: 3rd structure: H HO ÇO₂Harrow_forward
- Two structures are shown. Identify the asymmetric carbons in each structure, classify as chiral or achiral, and identify the number of stereocenter(s). H. „CH3 H3C CH3 H H. CH3 compound A compound B Which image shows the asymmetric carbon(s) in compound A highlighted in red? CI H H3C CH3 H3C CH3 O Neither. There are no asymmetric carbons in compound A. H3C -CH3 H3C CH3 Compound A is . There are stereocenters in compound A. Which image shows the asymmetric carbon(s) in compound B highlighted in red? CH3 H H. CH3 H3C.C H O Neither. There are no asymmetric carbons in compound B. Compound B is . There are stercocenters in compound B. *Please explain all the questionsarrow_forwardClassify the following compounds as chiral, achiral (but not meso), or meso. 1st structure: 2nd structure: 3rd structure:arrow_forwardWhat is the configuration of the asymmetric centers in the Fischer projection of D-xylose?arrow_forward
- Where are the chiral centers, the enantiomer and if its r or s configuration please.arrow_forwardThe structure of 4 isomers of ketopentose are shown. 1) select every structure that is a diastereomer of structure D A, B, or C? 2) select every structure that is a enantiomer of structure C A, B, or D 3) select every structure that is a stereoisomer of structure C A, B, or Darrow_forwardIs the chirality center R or S?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning