On the compound below, label four groups by priority. Then indicate if the configuration is R...
Determine the enantiomeric excess (1) and indicate which configuration (2), S or R, is in excess. If R-3-bromo-2- methylhexane is -80 degrees, would a polarimetry reading of the mixture in this problem rotate light (3) clockwise (CW) or counterclockwise (CC) (8) Br Br 15% 85% (this question is worth 9 points, not 8 as stated in the picture) 1. determine enantiomeric excess (your answer should be a number) 2. determine whether excess is S or R. 3. Does the mixture...
6) Which of the following compounds has an R configuration? A) B) (HBC)3C H. H CICH3)3 F CH3 F CH₂ C) HỊCH,C CH(CH3)2 H, CH(CH3)2 HOH FH 7) Which of the following groups has the highest priority? A) -OH B) ---0-CH3 -C-H D) -O-CH3 E) -C-OH 8) What is the relative priority of the OH group in the following compound? HO A) 1 B) 2 C) 3 D) 4 9) Which of the following is not true about enantiomers? A)...
Label the chiral centers in the below molecule as (R) or (S) in the boxes provided and clearly indicate your priorities of groups attached to each of the chiral centers (see arrows). (8 points) CH3 CH-CH3 CSH Fhimu HO CHE
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center Br R OS not a configuration center ООО Select the proper IUPAC name for the following compound, including the (R) or (S) designation where appropriate. Н. - (2R,3S)-2-chloro-3-methylpentane (29,3R)-2-chloro-3-methylpentane (2R 3R)-2-chloro-3-methylpentane O (2S,3S)-2-chloro-3-methylpentane Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name, including the correct (R) or (S) designation, for...
17.) Indicate the stereochemical configuration for the tetrahedral centers shown below. Site 1 R S not a configuration centerSite 2 R S not a configuration centerSite 3 R S not a configuration center
4. Absolute Configuration and R/S Sequence Rules. In 3 you constructed models with two stereocenters that represented 4 stereoisomers. 2,3-Dibromobutanoic acid exemplifies such a compound, Make models for the isomers of this compound. a. Draw solid/dashed-wedge structures for the 4 possible stereoisomers and label the enantiomers and diastereomers. b. Specify the sequence priority for the substituents on carbon-2 and carbon-3. Label each structure with the proper R/S notation in the drawings above, for example (2R, 35). d. Draw Newman projections...
3. Assign R or S configuration to the following molecules: Br F Н. F H- Br CH, Br CHECH, H CH2CH3 CH2CH3 CH, CH, -CHE OH H CH=CH2 H3CH2 HY CH(CH3)2 CH 4. Label each pair of stereoisomers below as A,B,C,D a Enantiomers b. Diastereomers Identical d Meso Compounds
Please classify the absolute configuration as R- or S- on for the compound below as eit HN N O her E-or Z-: Lill
suegsane uBnou q) Complore the Indicate the configuration (R or 5) arouand the chiral carbon in the structure below. Name Directi 1- Indicate the number of elements of unsaturation in the compound below. Cs Hs N Provide an explanation as to how the indicated compound is formed in the following reaction CHts CH CH+ CyoH CH CH3 bens Cit3 Csolvolysis Br Indicatea Compour Arrange the following compounds from lowest boiling to highest boiling. CHy CHy Cay CayCHts CtsCCCeCy ug CH3...
Indicate whether each of the following molecules R, S, Z or E. Label the substituents according to priority. The third molecule is a Fischer projection. Cl H2C SH H CH3 CH3 Label each pair of molecules as enantiomers, diasteromers, identical molecules constitutional isomers, or not isomers at all. No partial credit. H3C SH CH3 CH(CH3)2 H3C CH2CH2F CH(CH3)2 H3C CH2CH3 and H CH3 and H SH Cl HOH OH and CH3