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- 4. Identify the chiral centers in the following molecule and label each as R or S. НоFor the compound shown below, correctly label the stereogenic centers. O C1 is R; C2 is R O C1 is S; C2 is S C1 is S; C2 is R C1 is R; C2 is SNH2 N CH2 CH2 The stereochemistry around this chiral carbon is: O cannot be determined. O Rand S OR OS
- What are the designations for the chiral centers for molecules A and B? CO,H Br H,N-"CH2OH A B4. Identify the chiral centers in the following molecule and label each as R or S. но H.Identify the absolute configuration of the chirality centers in each of the following compounds as R or S. Note: if multiple chirality centers are present, indicate the stereochemical designations as: RR, SS, RS, or SR. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) CI SS v CO,H H2N
- 5. Consider the following pairs of structures. Identify the relationship between them (enantiomers, diastereomers, or identical compounds. HOH2C H OH H OH HO H Br H3C Н H H₂CH₂C CI Br H CHO CH3 I CH3 OH OHC Н H OH H OH Bell!! H3C, HO H Н.С H CH₂CH3 CH3 CI HỌ,H CH₂OH BrAssign (R) or (S) configuration to each chiral center in the molecules below. Then indicate if the molecules are identical, constitutional isomers, enantiomers, or diastereomers. F F ОН VS. OHIdentify the absolute configuration of the chirality centers in each of the following compounds as R or S. Note: if multiple chirality centers are present, indicate the stereochemical designations as: RR, SS, RS, or SR. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) Co,H OH CO2H D. H H2N H HO2C OH CO,H HO CO2H b.) a.) d.) CO,H H H2N CO2H f) HO g.) h.)
- 5. Consider the following pairs of structures. Identify the relationship between them (enantiomers, diastereomers, or identical compounds. он HO o CH,OH H,C H но CH,OH сон H HO. HO CH, HO,C CH COH HO,C, CO,H CO,H н онн он н онн он HOH,C сно OHC CH,OH Br CH,CH, H,CH,C CI CH OHDetermine and label the configuration of each chiral carbon in the molecule shown below. HN B O FI OH The molecule shown below is the synthetic drug Latuda (Lurasidone) that is prescribed for antipsychotic for the treatment of schizophrenia in adults and adolescents (13-17 years). Examine the molecule carefully and answer the following questions. H 'N (S) H INH (R) (S) (R) IH H (S) O (S) a) Identify and label the functional groups in the molecule. b) Confirm the configuration of each stereogenic (R/S) center the molecule. c) Label the hybridization of all the nitrogen atoms in the molecule d) Circle of the most basic atom in the molecule and estimate the pKa of the conjugate acid of the base.Determine the R/S configuration of each chiral center in the molecules shown below. (Do not include lone pairs as an attachment when identifying the chiral centers.)